- 2G
- 3D Printer
- 3G
- 4G
- 4K – Definition
- 5G
- .22
- 3.5mm headphone jack
- 403 Error
- 404 Error
- 802.11
- 802.11ac – Definition
- 802.11a – Definition
- 802.11b – Definition
- 802.11g – Definition
- 802.11n – Definition
- A2DP
- A2 level
- AaAaAA!!! – A Reckless Disregard for Gravity
- Aa Ab Laut Chalen
- Aaahh!!! Real Monsters
- Aa Aiduguru
- Aaajiao
- A.A.A.L.
- Aa (album)
- Aa Ammayi Gurinchi Meeku Cheppali
- Aaamyyy
- Aa (architect)
- Aaargh!
- Aaartali
- AAARTH
- Aaata
- AAB
- AaB A/S
- Aa Bb Kk
- Aab-e-Gum
- Aab-e-Gum (book)
- Aab-e-Gum derailment
- Aab-e-Gum railway station
- Aab-e hayat
- Aab-e hayat (Azad)
- AaB Fodbold
- AaB Fodbold
- AaB Fodbold
- AaB Fodbold in European football
- Aab (surname)
- AaB Women
- AAC
- Aa Chithrashalabham Parannotte
- Aa Church
- Aa Dekhen Zara
- Aa Dinagalu
- Aa Divasam
- Aa Drushya
- Aa, Estonia
- Aa (France)
- Aa Gale Lag Jaa (1973 film)
- Aa Gale Lag Jaa (1994 film)
- Aa Gaya Hero
- Aa Gaye Munde U.K. De
- A.Agr.
- Aah! Harimanada
- Aa Ii na!
- Aa, Indonesia
- Aa Jaane Jaan
- Aa Jaa Sanam
- Aa Jimmy
- Aa Karaala Ratri
- Aa Kurenai no Chi wa Moyuru
- Aalborg
- Aalborg Boldspilklub
- Aalborg Håndbold
- Aalborg Pirates
- Aalborg Pirates
- Aalesunds FK
- Aalesunds FK (women)
- Aalst
- Aa (Meuse)
- Aa (Möhne)
- Aa Naluguru
- A and M
- Aa Neram Alppa Dooram
- Aa (Nethe)
- Aa Nimisham
- Aa Okkadu
- Aa Okkati Adakku
- Aa Okkati Adakku (2024 film)
- Aa (plant)
- A.A.P.S.S.
- aar
- Aa Raathri
- aardwolf
- AARNet
- Aarne–Thompson–Uther Index
- AaRON
- Aaronical
- Aaron's beard
- aarti
- Aa (surname)
- AaTX1
- A.A.U.P.
- Aa (Werre)
- abacinate
- abacist
- abacterial
- abacus
- Abagtha
- abalone
- abandon
- abapical
- à bas
- abasement
- abasia
- abatement
- abator
- abattoir
- abb
- abba-dabba
- Abbas
- abbatial
- Abbe condenser
- abbess
- Abbey
- Abbie
- Abbotsford
- abbr.
- abbreviated
- abcoulomb
- Abd Allah
- Abd-el-Kadir
- Abderhalden
- abdicant
- abdom.
- Abdominal aortic aneurysm
- abdominal cavity
- abdominoplasty
- abduce
- abducent
- abductee
- Abdul-Aziz
- Abdullah
- Abdullah Gymnastiar
- Abdul-Mejid I
- abeam
- abecedary
- abed
- abegging
- Abélard
- Abelian
- Abe Lincoln in Illinois
- Abelson
- Abend – Definition
- Abeokuta
- Aberdeen
- Aberdeenshire
- Aberdonian
- abernethy
- aberration
- abessive
- abettor
- abeyant
- abhenry
- abhor
- abhorrent
- Abib
- abide by
- Abie
- abietate
- Abigail
- ability
- Abington
- ab intra
- abiological
- abirritant
- a bit
- abject
- abjunction
- Abkhaz
- abl.
- à blanc
- ablation
- ablator
- able
- abled
- ableist language
- abloom
- abluted
- ABM
- ABM Treaty
- abnegation
- abnormal
- abnormalize
- Abo
- aboard
- abohm
- abohm
- abolitionist
- abomasum
- abominable
- abominate
- à bon marché
- aboriginal
- Aborigine
- Aborigines
- abort
- abortion
- abortion pill
- ABO system
- Aboukir Bay
- about
- about ship
- about to
- above all
- above board
- above suspicion
- above the line
- abp.
- abradant
- Abraham's bosom
- Abram
- abrash
- abraxas
- abreaction
- abridge
- abrin
- abroad
- abruption
- Abruzzi e Molise
- abs
- Absalom
- Abscam
- abscise
- abscission
- abscond
- abseil
- Absence makes the heart grow fonder
- Absence seizure
- absentee
- absentee landlord
- absently
- absinthe
- absofuckinglutely
- absolute alcohol
- absolute configuration
- absolute impediment
- absolutely convergent
- absolute maximum
- absolute monarchy
- absolute space
- absolute threshold
- absolute viscosity
- absolutism
- absolutory
- absorb
- absorbed dose
- absorbent cotton
- absorbing well
- absorptiometry
- absorption coefficient
- absorption edge
- absorption spectrum
- absquatulate
- abstainer
- abstentionism
- abstinence
- abstinent
- abstract algebra
- abstract expressionism
- abstracting service
- Abstraction – Definition
- abstractionist
- abstract number
- abstrict
- abstrusity
- absurdism
- abt.
- abubble
- abugida
- abuilding
- Abukir Bay
- abundance
- abundant number
- A bursary
- Abu Simbel
- abutilon
- abuttals
- abwatt
- Abydos
- Abyss.
- abyssal plain
- Abyssinian banana
- Abyssinian well
- Abzug
- acacia
- academe
- academic
- academicals
- academic freedom
- academicism
- academic year
- academize
- academy
- Academy Award
- Acadia
- Acadian flycatcher
- acajou
- AC and U
- acanthite
- acanthocyte
- acanthoid
- Acanthosis nigricans
- acanthous
- acapnia
- Acapulco
- acardia
- acarid
- acaroid
- acarology
- acarpelous
- ACAS
- acaudal
- acausal
- ACCA
- Accademia
- ACCD
- accelerando
- accelerated reader
- Acceleration
- acceleration clause
- acceleration of free fall
- accelerative
- accelerator mass spectrometry
- Accelerometer
- accelerometer
- accentor
- accentuated
- accept
- acceptance region
- acceptation
- acceptee
- accepting house
- access
- access charge
- accessed
- Accessibility – Definition
- accession
- access method
- accessorize
- accessory bud
- accessory mineral
- accessory shoe
- Access Point – Definition
- access time
- AC Charging
- accidence
- accidental death benefit
- accidentally on purpose
- accidentology
- accidie
- acclaim
- acclimated
- accolade
- accommodating
- accommodation bill
- accommodation ladder
- accommodation train
- accompanied
- accompany
- accomplished
- accordance
- according
- according to
- accordion
- accordion pleat
- accosted
- accoucheuse
- accountable
- account book
- account executive
- accounting machine
- account receivable
- accouterment
- accra
- accredit
- accrescence
- accretion
- accretive
- accroides gum
- accrue
- accrued expense
- accrued liability
- acculturation
- accum.
- accumulation
- accumulator
- accurately
- accus.
- accusatival
- accusatory
- accuser
- accustomed to
- ACDA
- Ace bandage
- Aceh
- ACE inhibitor
- Aceldama
- acenesthesia
- acephalous
- acequia
- aceramic
- acerbate
- acerola
- acervate
- acesodyne
- acetabulum
- acetaldol
- acetanilide
- acetate rayon
- acetic acid
- acetimeter
- acetoacetic acid
- acetometer
- acetone body
- acetonuria
- acetostearin
- acetyl
- acetylbenzene
- acetylcholinesterase
- acetylcysteine
- acetylformic acid
- acetylide
- acetylsalicylate
- ACGI
- ach
- Achaean League
- Achaemenid
- Achalasia
- acharya
- Achebe
- achene
- Acheson
- à cheval
- achievement
- achievement test
- achillea
- Achilles heel
- Achilles tendinitis
- Achilles tendon rupture
- Achill Island
- aching
- achiral
- achkan
- ach-laut
- acholia
- achondroplasia
- achromat
- achromatic colour
- achromatic prism
- achromatize
- achromatopsia
- achromobacter
- Achsah
- ach-y-fi
- aciculate
- acid anhydride
- acid-base indicator
- ACID – Definition
- acid drop
- acid-fast
- acidhead
- acid house
- acidify
- acidity
- acid metaprotein
- acidolysis
- acidophilic
- acid precipitation
- acid reflux
- acid soil
- acid-tongued
- acidulate
- aciduric
- acid washing
- aciform
- acinaciform
- aciniform
- Acis
- ack-ack
- acker
- acknowledged
- ACL – Definition
- acle
- ACL injury
- A.C.L.S.
- ACLU
- Ac Meaning
- acmeism
- acmite
- Acne
- acnemia
- acoelomate
- Acol
- Acoma
- Acoma Pueblo
- Açôres
- acorn chair
- acorn squash
- acorn worm
- acouasm
- acoustic
- acoustical surveillance
- acoustic feature
- acoustician
- acoustic nerve
- Acoustic neuroma (vestibular schwannoma)
- acoustic phonetics
- acoustics
- acoustic theodolite
- acoustoelectric
- acpt.
- acquaintance rape
- acquest
- acquiescence
- acquired behaviour
- acquired drive
- acquired taste
- acquis communautaire
- acquisitive
- acquittance
- acraldehyde
- Acre
- acre-foot
- acrid
- acriflavine
- acrimonious
- acritical
- acrobat
- acrocarpous
- acrochordon
- acro dance
- acrogen
- acrolein
- Acromegaly
- acromegaly
- acron
- acroparaesthesia
- acropetal
- A.C.S.C.
- Actinic keratosis
- Activation Key – Definition
- Active Cell – Definition
- Active Directory – Definition
- Active-Matrix – Definition
- ActiveX – Definition
- Acute coronary syndrome
- Acute flaccid myelitis (AFM)
- Acute kidney injury
- Acute liver failure
- Acute lymphocytic leukemia
- Acute myelogenous leukemia
- Acute sinusitis
- Acutolysin A
- Ada Meaning
- Adapter
- Adaptive Content – Definition
- ad captandum vulgus
- ADC – Definition
- A/D converter
- ADD
- Addams, Jane
- added sixth
- addenda
- Adderall
- adder's-meat
- addict
- addictive
- adding
- add insult to injury
- Addison
- Addison's disease
- additament
- additionality
- addition reaction
- additive group
- additive process
- addlebrained
- addn.
- Add-on – Definition
- address
- Address Bar – Definition
- addressee
- adduce
- adduction
- add up to
- adeem
- Adele
- adelphopoiesis
- Aden
- Adenese
- adenitis
- adenohypophysis
- adenoidectomy
- adenology
- Adenomyosis
- adenosarcoma
- adenosine deaminase
- adenosine monophosphate
- adenosis
- adenylic acid
- adept
- adequate
- Adequate and independent state ground
- ad eundem gradum
- ADF
- ADF – Definition
- ad fin.
- ADH
- adhere
- adherent
- adhesive
- adhesive plaster
- ad hoc
- Ad Hoc Network – Definition
- ad hominem
- adiabatic chart
- adiaphoresis
- adiaphorous
- Adie
- Adige
- ad initium
- adios
- adipic acid
- adipocerite
- adipopexia
- adipose tissue
- adipsia
- Adirondack chair
- Aditya
- Adj.A.
- adjacent angle
- adjective
- adjective pronoun
- adjoin
- adjoint differential equation
- adjournment
- adjudicate
- adjudicator
- adjunction
- adjuration
- adjustability
- adjustable-rate mortgage
- adjuster
- adjustment disorder
- Adjustment disorders
- adjutant
- adjutant stork
- ADL
- Adler
- ad lib
- ad litem
- adm.
- ad majorem Dei gloriam
- admeasure
- adminicle
- administerial
- administration
- administrative assistant
- administrative-law judge
- administrator
- admirable bolete
- Admiral of the Fleet
- admiralty cloth
- Admiralty Islands
- Admiralty Range
- admirer
- admission
- admittance
- admittee
- admonish
- admonition
- admov.
- adnate
- adnexa
- Adnexal tumors and masses
- ado
- adobe flat
- A dog is a man's best friend
- Adolf
- Adonic
- Adon Olam
- adopted
- adoption
- adoptive
- adorably
- adore
- adornment
- ADOS
- Adowa
- ADP
- adperson
- a drag
- Adrastus
- adren-
- Adrenal cancer
- adrenal glands
- adrenaline rush
- adrenalized
- adrenocortical
- adrenocorticotrophic hormone
- Adrenoleukodystrophy
- adrenoreceptor
- Adrian
- Adrian III
- Adrianople red
- Adrian VI
- Adrienne
- à droite
- ADS
- ADS
- adscription
- ADSL – Definition
- adsorbate
- adst. feb.
- adsum
- aduki
- adulate
- Adullamite
- Adult attention-deficit/hyperactivity disorder (ADHD)
- adulterant
- adulterer
- adulterous
- adult home
- Adult Still disease
- Adult Training Centre
- adumbration
- adust
- adv.
- ad val.
- advance
- advanced credit
- Advanced Higher
- Advanced Placement Program
- advanced standing
- advancement
- advancer
- advantage
- advantageous
- advection fog
- Advent calendar
- adventitious
- Advent Sunday
- adventurer
- Advertising ID – Definition
- Adware – Definition
- Affiliate – Definition
- AFP – Definition
- Age at risk
- Age spots (liver spots)
- Agoraphobia
- AGP – Definition
- A-GPS
- Ahmed al-Sharaa
- Aidh al-Qarni
- AIFF – Definition
- Ā (Indic)
- Airbags
- Airplane ear
- Airplane mode
- AIX – Definition
- Ajax – Definition
- Ala Al Hilwa Wa Al Morra
- Alarm Clock
- Albinism
- Alcoholic hepatitis (Alcohol-associated hepatitis)
- Alcoholics Anonymous
- Alcohol intolerance
- Alcohol poisoning
- Alcohol use disorder
- Alert Box – Definition
- Algorithm – Definition
- Allergies
- Alpha-1-antitrypsin deficiency
- Alpha-1-antitrypsin deficiency
- Alpha-gal syndrome
- Alphanumeric
- Alpha Software – Definition
- ALU – Definition
- Alzheimer's disease
- Ameloblastoma
- Amenorrhea
- American Academy of Art College
- American Airlines
- American Association for the Advancement of Science
- AmericanConnection
- Aminoacyl-tRNA
- Aminoacyl tRNA synthetase
- Am Meaning
- Amnesia
- AMOLED display
- Ampullary cancer
- Amyloidosis
- Amyotrophic lateral sclerosis (ALS)
- Anadolu Agency
- Anal cancer
- Anal fissure
- Anal fistula
- Anal itching
- Analog
- Analog – Definition
- Anaphylaxis
- Android
- Android 15 – Definition
- Anemia
- Aneurysms
- Angelman syndrome
- Angina
- Angiosarcoma
- Animals as Leaders
- Animated GIF – Definition
- Anishinaabe clan system
- Ankylosing spondylitis
- Anorexia nervosa
- Anorgasmia in women
- ANR – Definition
- ANSI – Definition
- ANT+
- Antenna
- Anterior ciliary arteries
- Anterior ulnar recurrent artery
- Anterior vaginal prolapse (cystocele)
- Anthrax
- Anti-Aliasing – Definition
- Antibiotic associated diarrhea
- Antiphospholipid syndrome
- Antisocial personality disorder
- Antivirus – Definition
- Anxiety disorders
- Aortic aneurysm
- Aortic dissection
- Aortic valve disease
- Aortic valve regurgitation
- Aortic valve stenosis
- Apache – Definition
- Aperture
- APFS – Definition
- Aphasia
- API – Definition
- Aplastic anemia
- APM – Definition
- APN
- App – Definition
- Appendicitis
- Apple AirPlay
- Apple AirPlay 2
- Apple – Definition
- Apple iOS
- Apple iOS 7
- Apple iOS 8
- Apple iOS 9
- Apple iOS 10
- Apple iOS 11
- Apple iOS 12
- Apple Pay
- Apple Silicon – Definition
- Applet – Definition
- Application – Definition
- Application Server – Definition
- aptX
- APU – Definition
- Archie – Definition
- Architecture – Definition
- Archive Bit – Definition
- Archive – Definition
- ARDS
- ARM – Definition
- ARP – Definition
- Array – Definition
- Arteriosclerosis / atherosclerosis
- Arteriovenous fistula
- Arteriovenous malformation
- Arthritis
- Artifact – Definition
- Artificial General Intelligence (AGI)
- Artificial Intelligence (AI)
- Artificial Intelligence – Definition
- Asbestosis
- Ascariasis
- ASCII – Definition
- `Asi
- A sizes
- ASO – Definition
- ASP – Definition
- Aspect Ratio – Definition
- Aspergillosis
- ASP.NET – Definition
- Assembler – Definition
- Assembly Language – Definition
- Assistive Technology – Definition
- Association for the Advancement of Artificial Intelligence
- Asthma
- Asthma attack
- Astigmatism
- Astrocytoma
- ATA – Definition
- Ataxia
- Atelectasis
- Athlete's foot
- ATM – Definition
- Atopic dermatitis (eczema)
- Atrial fibrillation
- Atrial fibrillation
- Atrial flutter
- Atrial septal defect (ASD)
- Atrial tachycardia
- Atrioventricular canal defect
- Atrioventricular nodal reentry tachycardia (AVNRT)
- Attachment – Definition
- Attention-deficit/hyperactivity disorder (ADHD) in children
- ATX – Definition
- Atypical genitalia
- Atypical hyperplasia of the breast
- Audio jack
- Auditory processing disorder (APD)
- Augmented Reality – Definition
- AUP – Definition
- Authentication – Definition
- Autism spectrum disorder
- Autocomplete – Definition
- Autocorrect – Definition
- Autofill – Definition
- Auto-focus
- Autoimmune encephalitis
- Autoimmune epilepsy
- Autoimmune hepatitis
- Autoimmune pancreatitis
- Autonomic neuropathy
- Autoresponder – Definition
- Avascular necrosis (osteonecrosis)
- Avatar – Definition
- AVRCP
- AVR – Definition
- Ā, Yo ga Akeru
- Azure – Definition
- Baby acne
- Backbone – Definition
- Backdoor - Definition
- Backend - Definition
- Backlink - Definition
- Back pain
- Backpropagation
- Backside Bus - Definition
- Backup - Definition
- Bada OS
- Bad breath
- Bags under eyes
- Baker cyst
- Balance problems
- Bandwidth - Definition
- Banner Ad - Definition
- Bar
- BarCraft - Definition
- Bardet-Biedl syndrome (BBS)
- Barebones - Definition
- Bare Metal - Definition
- Bare Metal Restore - Definition
- Barrett's esophagus
- Bartholin's Cyst: Overview, Symptoms, Causes, and Treatment
- Basal cell carcinoma
- Baseband - Definition
- Base Price
- Base Station - Definition
- Bash - Definition
- BASIC - Definition
- Batch File - Definition
- Batch Process - Definition
- Battery Capacity
- Battery Tech (Battery Technology)
- Battery Type
- Baud - Definition
- Bcc - Definition
- Bedbugs
- Bedsores (pressure ulcers)
- Bed-wetting
- Bee sting
- Behcet disease
- BeiDou Navigation Satellite System
- Bell's palsy
- Benchmark - Definition
- Bengali alphabet
- Benign adrenal tumors
- Benign paroxysmal positional vertigo (BPPV)
- Benign peripheral nerve tumor
- Benign prostatic hyperplasia (BPH)
- Bespoke - Definition
- Beta Software - Definition
- Bezel - Definition
- Bézier Curve - Definition
- BGP - Definition
- Bias
- Big Data
- Big Data - Definition
- Big Sur - Definition
- Bile reflux
- Biliary atresia
- Binary - Definition
- Bing - Definition
- Binge-eating disorder
- Biometrics
- BIOS - Definition
- Biotech - Definition
- Bipolar disorder
- Bird flu (avian influenza)
- Bitcoin - Definition
- Bit - Definition
- Bitmap - Definition
- Bitrate - Definition
- BitTorrent - Definition
- BlackBerry PlayBook OS
- Black Box Testing - Definition
- Black hairy tongue
- Blacklist - Definition
- Bladder exstrophy
- Bladder stones
- Blastocystis hominis
- Blepharitis
- Bloatware - Definition
- BLOB - Definition
- Block-Based Coding - Definition
- Blockchain - Definition
- Blocked tear duct
- Blog - Definition
- Blood in urine (hematuria)
- Bluetooth - Definition
- Blu-ray - Definition
- BMP - Definition
- Bocholter Aa
- Body dysmorphic disorder
- Body lice
- Boils and carbuncles
- Bone cancer
- Bone metastasis
- Bone spurs
- Bookmark - Definition
- Boolean - Definition
- Boot - Definition
- Boot Disk - Definition
- Boot Sector - Definition
- Boot Sequence - Definition
- Bootstrap - Definition
- Borderline personality disorder
- Bot - Definition
- Botnet - Definition
- Botulism
- Bounce - Definition
- bps - Definition
- Brachial plexus injury
- Bradycardia
- Brain aneurysm
- Brain AVM (arteriovenous malformation)
- Brain metastases
- Brain tumor
- Breadcrumbs - Definition
- Breast cancer
- Breast cysts
- Breast pain
- Bricking - Definition
- Bridge - Definition
- Broadband - Definition
- Broadcast - Definition
- Broken ankle
- Broken arm
- Broken collarbone
- Broken foot
- Broken hand
- Broken heart syndrome
- Broken leg
- Broken nose
- Broken ribs
- Broken toe
- Broken wrist
- Bronchial artery
- Bronchiolitis
- Bronchitis
- Brouter - Definition
- Brownfield - Definition
- Browser Engine - Definition
- Browser Extension - Definition
- Brucellosis
- Brugada syndrome
- Brute Force Attack - Definition
- Brynjar Aa
- BSOD - Definition
- .!BT
- Buerger disease
- Buffer - Definition
- Bug Bounty - Definition
- Bug - Definition
- Build - Definition
- Bulimia nervosa
- Bullous pemphigoid
- Bundle branch block
- Bunions
- 'burbs
- Burkitt lymphoma
- Burn - Definition
- Burning mouth syndrome
- Burns
- Bursitis
- Bus - Definition
- Bytecode - Definition
- Byte - Definition
- Cable Management - Definition
- Cable Modem - Definition
- Cache - Definition
- CAD - Definition
- Calciphylaxis
- Calculator
- Calendar
- Call alerts
- Calling plan
- CamelCase - Definition
- Camera
- Camera RAW - Definition
- Cancer
- CAN - Definition
- Canker sore
- Capacitive touchscreen
- Caps Lock - Definition
- Captcha - Definition
- Carbon monoxide poisoning
- Carcinoid syndrome
- Carcinoid tumors
- Carcinoma of unknown primary
- Cardiogenic shock
- Cardiomyopathy
- Card Reader - Definition
- Car kit
- Car Life Cycle – Definition
- Carotid artery disease
- Carpal tunnel syndrome
- Carrier
- Case-Insensitive - Definition
- Case-Sensitive - Definition
- Castleman disease
- Cat 5 - Definition
- Cat 5e - Definition
- Cat 6 - Definition
- Catalina - Definition
- Cataracts
- Cavernous malformations
- Cavities and tooth decay
- CCD - Definition
- Cc - Definition
- CD - Definition
- C - Definition
- C# - Definition
- C++ - Definition
- CDFS - Definition
- C. difficile infection
- CDMA2000
- CDMA (Code-Division Multiple Access)
- CDMA (Code-Division Multiple Access) - definition
- CDN - Definition
- CD-R - Definition
- CD-ROM - Definition
- CD-RW - Definition
- Celiac disease
- Cell
- Cell Reference - Definition
- Cellulite
- Cellulitis
- Center Display – Definition
- Central nervous system vascular malformations
- Central sleep apnea
- Cerebral arteries
- Cerebral palsy
- Certificate - Definition
- Cervical cancer
- Cervical dystonia
- Cervical spondylosis
- Cervicitis
- CGI - Definition
- Chagas disease
- Character - Definition
- Character Encoding - Definition
- Charcot-Marie-Tooth disease
- Charging Stop
- Chatbot
- ChatGPT - Definition
- Checksum - Definition
- Chemo brain
- Chest pain
- Chiari malformation
- Chickenpox
- Chilblains
- Child abuse
- Childhood apraxia of speech
- Childhood asthma
- Childhood obesity
- Childhood schizophrenia
- Chip - Definition
- Chiplet - Definition
- Chipset
- Chlamydia trachomatis
- Cholangiocarcinoma (bile duct cancer)
- Cholecystitis
- Cholera
- Cholestasis of pregnancy
- Chondrosarcoma
- Chordoma
- Choroid plexus carcinoma
- Chromebook - Definition
- Chronic cough
- Chronic daily headaches
- Chronic exertional compartment syndrome
- Chronic granulomatous disease
- Chronic hives
- Chronic kidney disease
- Chronic lymphocytic leukemia
- Chronic myelogenous leukemia
- Chronic pelvic pain
- Chronic sinusitis
- Chronic traumatic encephalopathy
- cHTML
- Churg-Strauss syndrome
- CIF
- CIFS - Definition
- Circuit - Definition
- Cirrhosis
- CISC - Definition
- Clamshell
- Classification
- Clathria
- Clathria
- Claudication
- Clean Install - Definition
- Cleft lip and cleft palate
- Clubfoot
- Cluster headache
- Clustering
- CMOS
- Coarctation of the aorta
- Cold sore
- Cold urticaria
- Colic
- Colon cancer
- Colon polyps
- Color blindness
- Color depth
- Coma
- Common cold
- Common cold in babies
- Common palmar digital arteries
- Common variable immunodeficiency
- Common warts
- Complex regional pain syndrome
- Complicated grief
- Compulsive gambling
- Compulsive sexual behavior
- Computer Vision
- Concatenated SMS
- Concussion
- Congenital adrenal hyperplasia
- Congenital diaphragmatic hernia (CDH)
- Congenital heart defects in children
- Congenital heart defects in children
- Congenital heart defects in children
- Congenital heart disease in adults
- Congenital heart disease in adults
- Congenital myasthenic syndromes
- Conjoined twins
- Connected GPS
- Connectivity – Definition
- Constipation
- Constipation in children
- Construction
- Consumption – Definition
- Contact dermatitis
- Convolutional Neural Network (CNN)
- COPD
- Corning Gorilla Glass
- Corns and calluses
- Coronary artery disease
- Coronavirus disease 2019 (COVID-19)
- Corpus
- Corticobasal degeneration (corticobasal syndrome)
- Costochondritis
- Cough headaches
- CPU
- Cradle cap
- Craniopharyngioma
- Craniosynostosis
- Crash Tests – Definition
- Creutzfeldt-Jakob disease
- Crohn's disease
- Crosstalk
- Croup
- Cryoglobulinemia
- CSF leak (Cerebrospinal fluid leak)
- CSTN
- CTIA
- Cushing syndrome
- Custom ringtones
- Cutaneous B-cell lymphoma
- Cutaneous T-cell lymphoma
- CyanogenMod
- Cyclic vomiting syndrome
- Cyclothymia (cyclothymic disorder)
- Cystic fibrosis
- Cystitis
- Cytomegalovirus (CMV) infection
- Dandruff
- Data Augmentation
- Data disclaimer
- Data Mining
- Data Science
- DC-HSDPA
- Decision Tree
- Deep Learning
- Deep vein thrombosis (DVT)
- Dehydration
- Delayed ejaculation
- Delayed sleep phase
- Delirium
- Dementia
- Dengue fever
- Depersonalization-derealization disorder
- Depression (major depressive disorder)
- De Quervain tenosynovitis
- Der Aa-kerk
- Dermatitis
- Dermatofibrosarcoma protuberans
- Dermatographia (Dermatographism)
- Dermatomyositis
- Desmoid tumors
- Desmoplastic small round cell tumors
- Deviated septum
- Diabetes
- Diabetes insipidus
- Diabetic coma
- Diabetic hypoglycemia
- Diabetic ketoacidosis
- Diabetic nephropathy (kidney disease)
- Diabetic neuropathy
- Diabetic retinopathy
- Diaper rash
- Diarrhea
- Diffuse large B-cell lymphoma
- Diffuse midline glioma (DMG)
- DiGeorge syndrome (22q11.2 deletion syndrome)
- Digital zoom
- Dilated cardiomyopathy
- Dimensionality Reduction
- Diphtheria
- Dislocated shoulder
- Display type
- Dissociative disorders
- Diverticulitis
- Dizziness
- DNSe
- Dorsal metatarsal arteries
- Double uterus
- Downlink
- Down syndrome
- D-Pad
- Drag Race Philippines season 3
- Dressler syndrome
- Driver's Display – Definition
- Driving Aids – Definition
- DRM
- Drug addiction (substance use disorder)
- Drug allergy
- Dry eyes
- Dry macular degeneration
- Dry mouth
- Dry skin
- Dry socket
- Dual-band
- Dual-mode
- Dual-SIM
- Ductal carcinoma in situ (DCIS)
- Dumping syndrome
- Dupuytren contracture
- Dural arteriovenous fistulas
- Dust mite allergy
- DVB-H
- Dwarfism
- Dynamic memory
- Dysarthria
- Dyshidrosis
- Dyslexia
- Dysphagia
- Dystonia
- Ear infection (middle ear)
- Earwax blockage
- Eating disorders
- Ebstein anomaly
- E. coli
- Ectopic pregnancy
- Ectropion
- Edema
- EDGE
- EDR
- Egg allergy
- EGPRS
- EGSM
- Ehlers-Danlos syndrome
- Ehrlichiosis and anaplasmosis
- Eisenmenger syndrome
- Elevated blood pressure
- Elixir of life
- Email client
- Embeddings
- Embryonal tumors
- Emoji
- Emphysema
- EMS
- Encephalitis
- Encopresis
- Endocarditis
- Endometrial cancer
- Endometriosis
- End-stage renal disease
- Enlarged breasts in men (gynecomastia)
- Enlarged liver
- Enlarged spleen (splenomegaly)
- Entropion
- Eosinophilic esophagitis
- Ependymoma
- Epidermoid cysts
- Epidermolysis bullosa
- Epididymitis
- Epiglottitis
- Epilepsy
- Epithelioid sarcoma
- Erectile dysfunction
- eSIM
- Esophageal arteries
- Esophageal cancer
- Esophageal spasms
- Esophageal varices
- Esophagitis
- Essential tremor
- Esthesioneuroblastoma
- EV-DO
- EV-DV
- Ewing sarcoma
- Exchangeable covers
- Exercise headaches
- Exercise-induced asthma
- Expert System
- Explainable AI (XAI)
- External antenna jack
- External display
- Eye floaters
- Eye melanoma
- Eyestrain
- Factitious disorder
- Factor V Leiden
- Familial adenomatous polyposis
- Familial hypercholesterolemia
- Familial Mediterranean fever
- Farsightedness
- Fatty liver disease (MASLD)
- FCC
- Feature Engineering
- Feature Extraction
- Feature phone
- Febrile seizure
- Fecal incontinence
- Federated Learning
- Female infertility
- Female sexual dysfunction
- Femtocell
- Fetal alcohol syndrome
- Fetal macrosomia
- Fever
- Fibroadenoma
- Fibrocystic breasts
- Fibromuscular dysplasia
- Fibromyalgia
- Fine-tuning
- Firefox OS
- Firmware
- First Leg Distance
- Fixed-focus
- Flash memory
- Flatfeet
- Flight mode
- Flip-down phone
- Floor of the mouth cancer
- FM radio
- FM transmitter
- Focal segmental glomerulosclerosis (FSGS)
- Follicular lymphoma
- Folliculitis
- Fonzie
- Food allergy
- Food poisoning (foodborne illness)
- Foot drop
- Form factor
- FOTA
- FPS
- Frame Error Rate
- Frequency
- Frontal lobe seizures
- Frontotemporal dementia
- Frostbite
- Frozen shoulder
- FTP
- Fuchs dystrophy
- Functional dyspepsia
- Functional neurologic disorder/conversion disorder
- 'gainst
- Galactorrhea
- Galileo
- Gallbladder cancer
- Gallstones
- Ganglion cyst
- Gangrene
- Gas and gas pains
- Gastritis
- Gastroesophageal reflux disease (GERD)
- Gastrointestinal bleeding
- Gastrointestinal stromal tumor (GIST)
- Gastroparesis
- Gaucher disease
- GB
- Gbps
- Gender dysphoria
- Generalized anxiety disorder
- Generative Adversarial Network (GAN)
- Genital herpes
- Genital warts
- Geographic atrophy
- Geographic tongue
- Geo-tag
- Germ cell tumors
- Gestational diabetes
- Giant cell arteritis
- Giardia infection (giardiasis)
- Gilbert syndrome
- Gingivitis
- Glaucoma
- Glioblastoma
- Glioma
- Glomerulonephritis
- GLONASS
- GNSS
- Goiter
- Golfer's elbow
- Gonorrhea
- Gout
- GPRS
- GPS
- gpsOne
- gpsOneXTRA
- GPU
- Gradient Descent
- Granuloma annulare
- Granulomatosis with polyangiitis
- Graves' disease
- Gros Ventre
- Group B strep disease
- Growing pains
- Growth plate fractures
- Guillain-Barre syndrome
- H1N1 flu (swine flu)
- H.263
- H.264
- H.265
- Hair loss
- Hairy cell leukemia
- Half-QWERTY keyboard
- Hammertoe and mallet toe
- Hamstring injury
- Hand-foot-and-mouth disease
- Handwriting recognition
- Hangovers
- Hantavirus pulmonary syndrome
- Haptics
- Hashimoto's disease
- Hay fever
- Headaches in children
- Head and neck cancers
- Head lice
- Head-Up Display – Definition
- Hearing loss
- Heart arrhythmia
- Heart attack
- Heartburn
- Heart disease
- Heart failure
- Heart murmurs
- Heart palpitations
- Heart valve disease
- Heat exhaustion
- Heat Pump – Definition
- Heat rash
- Heatstroke
- Heavy menstrual bleeding
- Helicobacter pylori (H. pylori) infection
- Hemangioma
- Hemifacial spasm
- Hemochromatosis
- Hemolytic uremic syndrome (HUS)
- Hemophilia
- Hemorrhoids
- Henoch-Schonlein purpura
- Hepatic encephalopathy
- Hepatitis A
- Hepatitis B
- Hepatitis C
- Hepatocellular carcinoma (HCC)
- Hepatopulmonary syndrome
- Hereditary hemorrhagic telangiectasia
- Herniated disk
- HEVC
- Hiatal hernia
- Hiccups
- Hidradenitis suppurativa
- High blood pressure (hypertension)
- High blood pressure in children
- High cholesterol
- Hilar cholangiocarcinoma
- Hip dysplasia
- Hip fracture
- Hip labral tear
- Hirschsprung's disease
- Hirsutism
- Histoplasmosis
- HIV/AIDS
- Hives and angioedema
- Hoarding disorder
- Hodgkin lymphoma (Hodgkin disease)
- Horner syndrome
- Horsepower
- Hot flashes
- Hot spot
- Hot swap
- HPV infection
- HSCSD
- HSDPA
- HSDPA+
- HSP
- HSUPA
- HTML
- Huntington's disease
- Hurthle cell cancer
- Hydrocele
- Hydrocephalus
- Hydronephrosis
- Hypercalcemia
- Hypereosinophilic syndrome
- Hyperglycemia in diabetes
- Hyperhidrosis
- Hyperoxaluria and oxalosis
- Hyperparameter
- Hyperparathyroidism
- Hyperthyroidism (overactive thyroid)
- Hypertrophic cardiomyopathy
- Hypoglycemia
- Hyponatremia
- Hypoparathyroidism
- Hypopituitarism
- Hypoplastic left heart syndrome
- Hypospadias
- Hypothermia
- Hypothyroidism (underactive thyroid)
- Hz
- iDEN
- Image Recognition
- IMAP
- IMEI
- Inference
- Instance
- Intent Recognition
- Intercostal arteries
- Internal thoracic artery
- Intestinal arteries
- IP
- IP Ratings
- IPS – Definition
- IrDA
- ISP
- 'Istrian
- Jaak Aab
- Java
- Jejunal arteries
- K-13 (missile)
- KB
- Kbps
- Key Guard
- Key Lock Switch
- Knowledge Graph
- Land line
- Language Model
- Latent Variable
- Lateral palpebral arteries
- Lava
- LCD
- Learning Rate
- LED
- Lesser palatine arteries
- Li-Ion
- LiMo OS
- Linux
- Li-Polymer
- List of fictional extraterrestrial species and races
- List of Latin-script digraphs
- Lithium-ion (Li-ion)
- Location-Based Services
- Lock code
- Long posterior ciliary arteries
- Long SMS
- Long Term Evolution
- Loss Function
- Loudspeaker
- LTE – Definition
- Machine Learning
- Macro
- Maemo OS
- Magnetometer
- mAh
- Mass Storage Mode
- Max Speed – Definition
- MB
- Mbps
- Medial palpebral arteries
- MeeGo OS
- Megapixel
- Memory card slot
- Memory effect
- 'Merica
- Messaging
- Meta Learning
- MHz
- microSD
- microSDHC
- Microsoft Exchange
- Micro USB
- MIDI
- MIDP
- Mil-Spec
- MIMO
- miniSD
- Mini-USB
- MMC
- MMS
- Mobile games
- Mobile High-Definition Link
- Mobile IM
- Mobile web analytics
- Mobile WiMAX
- Mobility DisplayPort
- Model
- Models
- modem
- Monochrome
- MP3
- MPEG
- MPEG-4 video
- Multitouch input method
- Music playback time
- music player
- NAND memory
- Nano-SIM – Definition
- Natural Language Processing (NLP)
- Network capacity
- Network Coverage
- Neural Network
- NFC
- NiCd (Nickel-Cadmium)
- NiMH
- Nominal Capacity
- NOR Memory
- Numeric Keypad
- Object Detection
- OEM (Original Equipment Manufacturer)
- Oh My Goddess!
- Oh My Goddess!
- OLED (Organic Light-Emitting Diode)
- Optical Zoom
- OS (Operating System)
- OTA (Over-The-Air)
- OTG (On-The-Go)
- Overfitting
- Packet Data
- Pager
- Parameter
- Parking Aids – Definition
- Parking Aids – Definition
- Pattern Recognition
- PCS (Personal Communications Service)
- PC Sync
- PDA (Personal Digital Assistant)
- Percentile Rank
- Philonesia
- Phonebook
- Phone Book Access (PBA)
- Phone Life Cycle
- Phone Physical Attributes
- PIM (Personal Information Manager/Management)
- PIN Code (Personal Identification Number)
- Pixel
- Pixel Density (Pixels Per Inch)
- Polyphonic Ringtones
- POP3 (Post Office Protocol)
- Port
- Posterior labial arteries
- Posterior lateral nasal arteries
- Posterior scrotal arteries
- Powertrain – Definition
- Precision
- Prediction
- Predictive Text Input
- Preprocessing
- Price
- Proper palmar digital arteries
- PTT (Push-To-Talk)
- PUK Code (PIN UnlocK Code)
- Pulmonary artery
- Push
- QCIF (Quarter Common Intermediate Format)
- Quad-band
- Quasi-Zenith Satellite System (QZSS)
- Que
- QVGA (Quarter Video Graphics Array)
- QWERTY Keyboard Layout
- RAM (Random-Access Memory)
- Range – Definition
- RBDS (Radio Broadcast Data System)
- RDS (Radio Data System)
- Rechargeable Battery Types
- Recurrent Neural Network (RNN)
- Regularization
- Reinforcement Learning
- Representation Learning
- Resistive Touchscreen
- Resolution
- Retraining
- Ringer ID
- Ringing Profiles
- Ringtone
- Roaming
- Robot
- Rocky (1981 film)
- ROM (Read-Only Memory)
- RSA (Rural Service Area)
- RS-MMC (Reduced-Size Multi Media Card)
- RSS (Rich Site Summary)
- Ruggedized (Rugged)
- S60 User Interface
- Saint-Omer Open
- SAP (SIM Access Profile)
- Sarner Aa
- SAR (Specific Absorption Rate)
- Screen Protection
- 'sdeath
- SD (Secure Digital)
- Seats – Definition
- Secondary Camera
- Second Leg Distance
- Self-supervised Learning
- Semantic Analysis
- Sensors
- Sentiment Analysis
- Short gastric arteries
- Short posterior ciliary arteries
- shun
- Side Keys
- Sigmoid arteries
- SIM Lock
- SIM (Subscriber Identity Module)
- Single-Band
- Skin
- SlimPort
- Smartphone
- Smart Watch
- SMIL (Synchronized Multimedia Integration Language)
- SMS (Short Messaging Service)
- SNS (Social Network Service)
- Soft Keys
- Soft Reset
- Speech Recognition
- Speed Dial
- Stand-by Time (Battery Life)
- Stereo Speakers
- Streaming Video
- Stylus
- Sub-QCIF
- Superior phrenic arteries
- Superior vesical artery
- Supervised Learning
- Support Vector Machine (SVM)
- Suspension
- SVGA (Super Video Graphics Array)
- Symbian
- SyncML (Synchronization Markup Language)
- Synthetic Data
- Talk Time (Battery Life)
- TCP/IP (Transmission Control Protocol/Internet Protocol)
- TD-SCDMA (Time Division-Synchronous Code Division Multiple Access)
- Terje Aa
- Tethering
- Text Messaging (Texting)
- TFD (Thin Film Diode)
- TFT (Thin Film Transistor)
- Theme
- To-Do List
- Tokenization
- Torque
- Touchscreen
- Towing
- Trackball
- Training Data
- Transfer Learning
- TransFlash
- Transflective
- Transformer
- Tri-Band
- Trunk
- 'tude
- Tuning
- 'tween deck
- 'twixt
- UFS (Universal Flash Storage)
- UIQ (User Interface Quartz)
- UI (User Interface)
- UMA (Unlicensed Mobile Access)
- UMTS (Universal Mobile Telecommunications System)
- Underfitting
- Unlocked Phone
- Unsupervised Learning
- Upload
- UPnP (Universal Plug and Play)
- USB On-The-Go (USB OTG)
- USB Type-C – Definition
- USB (Universal Serial Bus)
- USIM (Universal Subscriber Identity Module)
- Validation
- Various authors
- 've
- Vectorization
- VGA (Video Graphics Array)
- Viacom18
- Video Call
- Video Codec
- Vitalij Aab
- Voice Dialing
- Voicemail
- Voice Memo
- VoIP (Voice over Internet Protocol)
- VPN (Virtual Private Network)
- WAP (Wireless Application Protocol)
- Warranty – Definition
- watchOS
- WCDMA (Wideband Code Division Multiple Access)
- Wearable Technology
- Wear OS
- webOS
- Weight
- Wheelbase
- Wheels
- Wi-Fi
- Windows Mobile
- Windows Phone OS
- Wireless Email
- WLAN (Wireless Local Area Network)
- WMV (Windows Media Video)
- Xenon Flash
- Zamzam Well
- Zero-shot Learning