List of acronyms: D

(Main list of acronyms)

d – Deci
D – Deuterium

DA

da – Danish language – deca
DA – Denmark – Debtors Anonymous – U.S. Department of the Army – District Attorney
DAB – Digital Audio Broadcasting
DACT – Data Automated Communications Terminal – Dissimilar Air Combat Training
DAD – Da Nang International Airport
DADVSI – Loi sur le droit d’auteur et les droits voisins dans la société de l’information
DAES – Defence Acquisition Executive Summary – Directorate of Analysis, Experimentation and Simulation
DAF – Dissolved Air Flotation, a technique used in water treatment
DAFIF – Digital Aeronautical Flight Information File
DAK – Disney's Animal Kingdom
DA&M – Director, Administration & Management
dan – Danish language
DAO – Division Ammunition Officer
DAQ – Data acquisition – Delivered Audio Quality
DARE – Drug Abuse Resistance Education
DARO – Defense Airborne Reconnaissance Office
DARPA – U.S. Defense Advanced Research Projects Agency
DART – Disaster Assistance Response Team – Dublin Area Rapid Transit
DAS – Defensive Aids Suite
DASD – Deputy Assistant Secretary of Defense
DASL – Datapoint's Advanced Systems Language
DAU – Defense Acquisition University
DAWN – Drug Abuse Warning Network

DB

dB – Decibel
Db – Dubnium
DB – Database – Deutsche Bahn
d/b/a – doing business as
DBA – De Bellis Antiquitatis
DBBL – Dismounted Battlespace Battle Laboratory
DBCS – Double Byte Character Set
DBDO – Desert BDO
DBE – Dame Commander of the Order of the British Empire
DBF – Detection By Fire
DBM – De Bellis Multitudinis – Detection By Movement
DBR – De Bellis Renationis
DBRA – Davis–Bacon Related Acts
DBS – Direct Broadcast Services
* Disclosure and Barring Service
* Double-Barreled Shotgun

DC

DC
* da capo
* Italian Democrazia Cristiana
* Digital Compass
* Direct Current
* District of Columbia
* Douglas Aircraft Company
* Dublin Core
* Duty Cycle
*Disconnected
DCA
* Defensive Counter Air
* Drum Corps Associates
* DiChloroAcetate
* Ronald Reagan Washington National Airport
DCAA – Defense Contract Audit Agency
DCAS – Devon and Cornwall Archery Society
DCC
* Dallas Christian College
* Digital Command Control
* Direct Client-to-Client
* Dismounted Close Combat
DCCP – Datagram Congestion Control Protocol
DCD – Donation after Cardiac Death
DCDC – Development, Concepts and Doctrine Centre
DCE – Data Communication Equipment
DCFC – Death Cab for Cutie
DCI
* Detection, Classification and Identification
* Drum Corps International
* Duellists' Convocation International, later known simply by the initials before changing its name to the current Wizards Play Network
DCIM – Digital Camera Images
DCIMS
* Dental Classification Information Management System
* Dismounted Combat Identification Marking System
DCL – Disney Cruise Line
DCN – Deacon
DCOM – Disney Channel Original Movie
DCOP – Desktop Communication Protocol
DCSOPS – Deputy Chief of Staff for Operations and plans
DCW – Digital Chart of the World
DCYSC – Discovery Channel Young Scientist Challenge

DD

DD – many, including due diligence and dear daughter ; see entry
D&D
* Dungeons & Dragons
* Diversion and Distress
DDA
* Digital Differential Analyzer (graphics algorithm)
* Digital Differential Analyzer
* Deputy District Attorney
DDD
* Data Display Debugger
* Digital Digital Digital
DDL – Digital Data Link
DDLC – Doki Doki Literature Club!
* DDLC+ – the expanded version, Doki Doki Literature Club Plus!
DDN – U.S. Defense Data Network
DDoS – Distributed Denial of Service
DDP
* Danish Design Prize
* Deutsche Demokratische Partei
* Diamond Dallas Page
DDR
* Dance Dance Revolution
* Deutsche Demokratische Republik
* Double Data Rate
* East Germany
DDR&E – Defense Department Research and Engineering
DDS – Doctor of Dental Surgery
DDT
* Dichloro-Diphenyl-Trichloroethane
* Dramatic Dream Team, the original name of the Japanese professional wrestling promotion DDT Pro-Wrestling
* Dynamic Debugging Tool

DE

de – German language
DE – Delaware – Germany
DEA – Drug Enforcement Administration
DEA – Drug Enforcement Agency
DEC
* Department of Environmental Conservation
* Digital Equipment Corporation
* Disasters Emergency Committee
DeCA – Defense Commissary Agency
DECSIM – Model DEComposition and SIMulation algorithm – Directed Energy Combat SIMulation
DECT – Digital European Cordless Telephone
DEERS – Defense Enrollment Eligibility Reporting System
DEFCON – Defence readiness condition
DEFRA – Department for Environment, Food and Rural Affairs
DEI - Diversity, Equity, and Inclusion
DELT – Dual Ended Line Test
DEM
* Data Exchange Mechanism
* Digital Elevation Model
DEN – Denmark
DEPSECDEF – Deputy Secretary of Defense
DERA – British Defence Evaluation and Research Agency
DES – Deep Ecliptic Survey
deu – German language
DEU – Germany

DF

DF
* Direct Fire
* Direction Finding
* Distrito Federal
DFAD – Digital Feature Analysis Data
DFAS – Defense Finance and Accounting Service
DFB – Deutscher Fußball-Bund
DFCB – Data Format Control Book
DfID – UK Department for International Development
DFL
* Democratic–Farmer–Labor
* Deutsche Fußball Liga, the operator of the top two leagues of German football
DFM – Dynamic Flowgraph Methodology
DFM – Discrete Field Model see Superluminal motion
DFSP – Dermatofibrosarcoma protuberans
DfT– Department for Transport
DFTBA – Don't Forget To Be Awesome- a term commonly used by the Vlogbrothers

DG

DG – Dei gratia – Director-General – Data General
DGA – Direction générale des armées
DGAF – Don't give a f***
DGD&D – UK Directorate General of Development and Doctrine
DGPS – Differential GPS
DGZ – Desired Ground Zero

DH

DH – dear husband – Designated hitter
DHA – DocosaHexaenoic Acid
DHHS – Department of Health and Human Services
DHL – Dalsey, Hillblom, and Lynn
DHRA – DoD Human Resources Activity
DHS – U.S. Department of Homeland Security
DHSS – UK Department of Health and Social Security
DHTFYSS – U.S. Don't Have Time For You Silly S****
DHY – Dahomey

DI

DIA – U.S. Defense Intelligence Agency
DIAC – Department of Immigration and Citizenship (Australia)
DiC – Design Island Centre
DICASS – DIrectional Command Activated Sonobuoy System
DID – Dissociative identity disorder
DILLIGAD – Do I Look Like I Give A Damn?
DILLIGAF – Do I Look Like I Give A Fuck?
DIF – Data Interchange Format
DIFAR – DIrectional Frequency Analysis and Recording
DIME – Dense inert metal explosive
DIMM – Dual In-line Memory Module
DIN
* Deutsches Institut für Normung
* Drug Identification Number
DINA
* Diesel Nacional
* Dirección de Inteligencia Nacional
DINKY – Double Income, No Kids Yet
DIP – Dual In-line Package
DIPS – Defense independent pitching statistics
DIR – Defence Industrial Research
DIS
* Defence Intelligence Staff
* Defense Investigative Service
* Distributed Interactive Simulation
* Draft International Standard
DISA
* U.S. Defense Information Systems Agency
* Distinguished Individual Service Award
DISCOM – Division Support Command
DISE – Deployable Intelligence Support Element
DISSTAF – DIS Search and Target Acquisition Fidelity experiment
DITY – Do-It-Yourself
div – Dhivehi language
DIVAD – Division Air Defence
DIY – Do It Yourself

DJ

DJ – Disc Jockey – Dinner Jacket – Djibouti
DJD – Degenerative Joint Disease – Dublin Julian Day – Discoveries in the Judaean Desert
DJF – Djibouti franc
DJI – Djibouti
DJS – Director, Joint Staff

DK

DL

DL – Dexter's Laboratory
DLA
* U.S. Defense Logistics Agency
* Dental Laboratories Association
DLI – IATA code for Lien Khuong Airport
DLIC – Detachment Left-In-Contact
DLIR – Depot-Level Inspection and Repair
DLL – Dynamic Link Library
DLPFC or DL-PFC – DorsoLateral PreFrontal Cortex
DLPMC – DorsoLateral PreMotor Cortex
DLR
* Deutsches Zentrum für Luft- und Raumfahrt
* Docklands Light Railway
DLRP – Data Link Reference Point
DLS – Deep Lens Survey
DLSA – Defense Legal Services Agency
DLSc – Diploma in Library Science
DLSC
* U.S. Defense Logistics Services Center
* U.S. Defense Logistics Support Command
*
* Direct Loan Servicing Center
* Directorate of Land Strategic Concepts
*
DLTBGYD – Don't let the bastards grind you down

DM

DM
* Dominica
* Dungeon Master
DMA
* Designated market area
* U.S. Defense Mapping Agency
* Direct Memory Access
* Dominica
DMC – Defense Management Council
DMCA – Digital Millennium Copyright Act
DMD
* dentariae medicinae doctor
* Digital Micromirror Device
* Digital Multilayer Disk
DMI – Desktop Management Interface
DMM – Digital Multimeter
DMOC – Distributed Mission Operations Centre
DMOS – Double Diffused MOS transistor
DMPA – Defense Medical Programs Activity
DMPFC – DorsoMedial PreFrontal Cortex
DMPK – Drug Metabolism and Pharmacokinetics
DMRB – Design Manual for Roads and Bridges
DMS – U.S. Defense Message System
DMSO
* Di'methyl s'ulfoxide
* U.S. Defense Modeling & Simulation Office, now Modeling and Simulation Coordination Office
DMSP – U.S. Defense Meteorological Satellite Program
DMT – Dimethyltryptamine
DMU – Diesel Multiple Unit, a method of connecting self-propelled railway vehicles together to form a train under the control of one driver.
DMV – Department of Motor Vehicles
DMZ – DeMilitarized Zone

DN

DN – Deacon
DNA
* U.S. Defense Nuclear Agency
* Deoxyribonucleic acid
* Douglas Noël Adams
DNAW – Day Night All Weather
DND – Department of National Defence – Do not disturb
DNDi – Drugs for Neglected Diseases initiative
DNDO – U.S. Domestic Nuclear Detection Office
DNM – Defence Nuclear Material
DNK – Denmark
DNR – Do not resuscitate
DNS – Domain name system

DO

DO – Dominica – Dominican Republic – Doctor of Osteopathic Medicine
DOA – Dead On Arrival – Dead or Alive
DOB – Date Of Birth
– Duty of Care Risk Analysis Standard
DOD – U.S. Department of Defense
DODAF – U.S. Department of Defense Architectural Framework
DoDD – U.S. Department of Defense Directive
DoDEA – Department of Defense Education Activity
DOE – U.S. Department of Energy
DOHC – Dual-OverHead-Cam engine
DOI – Digital Object Identifier – U.S. Department of the Interior
DOM – Deo optimo maximo – Document Object Model – Dominican Republic
DOMS – Director of Military Support
DOP – Dominican peso
DORA – Defence of the Realm Act
DOS – Denial of Service – Density of State – Disk Operating System
DOT – Department of Transportation – Damage Over Time
DOTA – short-form for DEFENSE OF THE ANCIENTS a popular online epic game
DotD – Deal of the Day
DOTMLPF – Doctrine, Organization, Training, Materiel, Leadership, Personnel, and Facilities
DOW – Died of Wounds

DP

DP – Division de production
DP – Decision Point – Dynamic Programming
DPA – UK Defence Procurement Agency
DPCO – Double-Pole Change Over
DPDT – Double-Pole Double-Throw
DPICM – Dual-Purpose Improved Conventional Munition
DPKO – UN Department for Peacekeeping Operations
DPMO – Defense Prisoner of War/Missing Personnel Office
DPPDB – Digital Point Positioning Database
DPRE – Displaced Person or Refugee
DPRK – Democratic People's Republic of Korea
DPST – Double-Pole Single-Throw

DQ

DR

DR – Dead Reckoning – Dominican Republic – Danmarks Radio
DRA – Defence Research Agency – Democratic Republic of America
DRAGN – Double Radio source Active Galactic Nucleus
DRAM – Dynamic Random Access Memory
DRC – Democratic Republic of the Congo -- Domaine Romanee Conti
DRDC – Defence Research & Development Canada
DREA – Defence Research Establishment Atlantic
DRES – Defence Research Establishment Suffield
DRET – Defence Research Establishment Toronto
DREV – Defence Research Establishment Valcartier
DRI – Detection, Recognition, Identification – Dietary Reference Intake
DRIC – Defense Research Information Center
DRL – Daytime Running Lights – Dorman Roberts Ltd.
DRM – Digital Rights Management
DRMS – Defense Revitalization and Marketing Service
DRPR – Drawing Practices
DRT – Document Related Technologies

DS

Ds – Darmstadtium
DS
* Dear son
* Defence Scientist
* Direct Support
* Dust Storm
DSA
* Defense Support Activities
* Division Support Area
DSAA
* Defense Security Assistance Agency
*Driving Schools Association of the Americas
* DECT Standard Authentication Algorithm
DSAS – Disney Sing Along Songs
DSB – Defense Science Board
DSC
* Differential Scanning Calorimeter
* Digital Selective Calling
* Digital Still Camera
* Distinguished Service Cross
* Doctor of Surgical Chiropody
* Document structure convention
* Dynamic Stability Control
DSCS – U.S. Defense Satellite Communications System
DSCSOC – DSCS Operations Center
DSD – Defence Studies Department
DSDS – Deutschland sucht den Superstar, the German version of the Idol series
DSE – Dry Sheep Equivalent
DSG – Direct-Shift Gearbox
DSID – Dismounted Soldier Identification System
DSL – Digital Subscriber Line
DSLR – Digital single-lens reflex (camera)
DSM – Diagnostic and Statistical Manual of Mental Disorders
DSN – Deep Space Network
DSO – Distinguished Service Order
dsp – decessit sine prole – genealogy short-hand
* dspl – decessit sine prole legitima
* dspm – decessit sine prole mascula
* dspml – decessit sine prole mascula legitima
* dspms – decessit sine prole mascula superstite
* dsps – Decessit sine prole superstite
DSP
* Defense Standardization Program
* Defense Support Program
* Digital signal processing
DSPL – Design Specialists and Plans Language
DSR – Deformed Special Relativity
DSRV
* Deaf Sports Recreation Victoria
* Deep Submergence Rescue Vehicle
DSS
* Digitized Sky Survey
* Discarding-Sabot Shell
DST – Daylight saving time
DSTL – British Defence Science and Technology Laboratory
dsvp – d.s.v.p. decessit sine vitae patria
DSWA – Defense Special Weapons Agency

DT

DTA – Dental Technologists Association
DTaP – Diphtheria, tetanus, acellular pertussis
DTD – Digital Terrain Data
DTE – Data Terminal Equipment – Down To Earth
DTED – Digital Terrain Elevation Data
DTG – Date-Time Group
DTH – Direct To Home
DTI – UK Department of Trade and Industry
DTIC – Defense Technical Information Center
DTL – diode–transistor logic
DTM
* Deutsche Tourenwagen Masters
* Deutsche Tourenwagen Meisterschaft
DTMF – Dual-tone multi-frequency signaling
DTLOMS – Doctrine, Training, Leader development, Organization, Materiel, and Soldier
DTO – Disruptive Technology Office
DTOMLS – Doctrine, Training, Organization, Materiel, Leader and Soldier development
DTP
* Desktop publishing
* Desktop Tablet Press
* Diphtheria, tetanus, pertussis
DTR – Determine The Relationship
DTRA – Defense Threat Reduction Agency
DTSA – Defense Technology Security Administration – Defend Trade Secrets Act

DU

DU
* Depleted Uranium
* Dust
DUI
* Data Use Identifier
* Data Use Institute
* Davis Unified Ignition
* Diving Unlimited International
* Documento Único de Identidad
* Documento Unico de Importación
* Driving Under the Influence
* Duke University Improv
DUMBO – Down Under the Manhattan Bridge Overpass
DUSD – Deputy Under-Secretary of Defense

DV

dv – Dhivehi language
DV
* Daily Value
* Deo volente
DVD – Digital Versatile Disk
DVLC – UK Driver and Vehicle Licensing Centre
dvm – decessit vita matris
DVM – Doctor of Veterinary Medicine
DVO – Direct View Optics
DVOM – Digital Volt-Ohm Meter
DVP – various meanings
* dvp – decessit vita patris
DVT
* Deep vein thrombosis
* Design verification test
* Driving Van Trailer
dvu – ''decessit vita uxoris''

DW

DW – Drum Workshop
DWG – Divisional Wargame
DWI – Dance With Intensity – Danish West Indies – Diffusion-weighted imaging – Direct water injection – Disaster Welfare Inquiry – Drinking Water Inspectorate – Driving While Intoxicated/Impaired
DWM – Doctor Who Magazine
DWIM – Do What I Mean
DWTS – Dancing with the Stars
DWW – Down with Webster

DX

DY

Dy – Dysprosium
DY – Dahomey

DZ