Check all full forms of D here

CODE	ABBREVIATION
D	Data channel (ISDN)
D&C	Duck & Cover
D/A	Digital to Analog / Digital-Analog
D/L	Download transmit to you
d:-)	Wearing a Cap
d00d	dude
D2T2	Dye Diffusion Thermal Transfer
DA	Data Available / Desk Accessory / Destination Address / Digital Audio / Directory Assistance
DAA	Data Access Arrangement
DAAC	Distributive Active Archive Center
DAC	Digital Analog Converter / Dual Attachment Concentrator
DACC	Directory Assistance Call Completion
DACD	Directory Access Control Domain
DACS	Digital Access Cross-connect System / Directory Assistance Charging System
DAD	Draft Addendum
DADC	Digital Audio Disc Corporation
DAEMON	Disk And Execution Monitor
DAF	Directory Authentication Framework
DAG	Defense Agencies Group
DAIS	Distributed Automatic Intercept System
DAK	Data Acknowledge / Dead At Keyboard
DAL	Data Access Language / Data Access Line
DALNET	DA Lamers Net
DAM	Data Access Manager
DAMA	Data Assigned Multiple Access / Demand Assigned Multiple Access
DAMIFINO	Damn if I know
DAMP	Demand Analysis Manufacturing Planning
DAN	Departmental Area Network
DAO	Data Access Object / Directory Assistance Operator
DAP	Data Access Protocol / Directory Access Protocol / Document Application Profile
DARC	Division Alarm Recording Center
DARFC	Ducking And Running For Cover
DARPA	Defense Advanced Research Projects Agency
DART	Data Access and Retrieval Technologies (group)
DARTNET	Defense Advanced Research Testbed Network (usually as DARTnet)
DARU	DAIS Audio Response Unit / Distributed Automatic Response Unit
DAS	Device Access Software / Directory Assistance System / Disk Array Subsystem / Distributor And Scanner / Dual Attachment Station / Dynamically Assigned Sockets
DASD	Direct Access Sotrage Device
DASH	Dell Advanced SCSI Host
DASP	Digital Assisted Services Program
DASS	Design Automation Standards Subcommittee
DAS-WAT	Distributor And Scanner - Watch Dog Timer
DASWDT	Distributor And Scanner Watch Dog Timer
DAT	Digital Audio Tape / Digital Audio Tap / Duplicate Address Test
DATAEASE	Doesn't always terminate after exiting and slows everything / Don't attempt to aquire everything always shows errors
DATTA	District Attorneys' Technology Theft Association
DATU	Direct Access Testing Unit
DAV	Data Above Voice
DAVE	Do Anything Very Easily
DAVID	Digital Audio-Video Interactive Decoder
DAX	Developer API eXtensions
DB	Database / Decibel (usually as dB)
DBA	Adjusted Decibel / Data Base Administrator / Digital Business Architecture / Doing Business As
DBAC	Data Base Administration Center
DBAS	Data Base Administration System
DBC	Data Base Creator / Digital Business Center
DBCS	Double - Byte Character Set
DBF	Dynamic Beam Forming
DBIT	Delivery (confirmation) Bit
DBL	DOS Batch Language
DBM	DataBase Manager / Decibels per Milliwatt (dBm)
DBMS	Data Base Management System
DBN	Doing Business Not
DBOD	Distribution Board of Directors
DBR	DOS Boot Record
DBS	DataBase Service / Demand Broadcast System / Direct Broadcast Satellite / Duplex Bus Selector
DBTG	DataBase Task Group
DBX	Digital Branch Exchange
DC	(modem) Data Compression / Data Cartridge / Direct Current / Disconnect Confirm
DCA	Defense Communications Agency / Digital Communications Associates Inc. / Document Content Architecture
DCAA	Dual Call Auto Answer
DCAM	Distributed Computing Application Management
DCASR	Defense Contract Administration Services Region
DCB	Data Control Block / Directory Cache Buffer
DCC	Direct Client to Client / Data Collection Computer / Data Communications Channel / Data Country Code / Digital Compact Cassette / Digital Customer Center / Direct Cable Connection
DCD	Data Carrier Detect (signal)
DCE	Data Circuit Terminal Equipment / Data Circuit-terminating Equipment / Data Communications Equipment / Distributed Computing Environment
DCEC	Defense Communications Engineering Center
DCE-RPC	Distributed Computing Environment Remote Procedure Call
DCF	Data Communications Function
DCH	D Channel Handler
DCI	Display Control Interface
DCIU	Data Communications Interface Unit
DCL	Data Control Language / Digital Command Language
DCLU	Digital Carrier Line Unit
DCM	Digital Carrier Module
DCMS	Distributed Call Measurement System
DCMU	Digital Concentrator Measurement Unit
DCN	Data Communications Network / Declaration Control Number
DCO-CS	Digital Central Office-Carrier Switch
DCOM	Distributed Component Object Model
DCP	Demand for Critical Parts / Device Color Profile / Digital Communications Protocol / Duplex Central Processor
DCPR	Detailed Contuing Property Record (PICS/DCPR)
DCPSK	Differential Coherent Phase Shift Keying
DCR	Direct Current Resistance
DCS	Data Circuit Switches / Defined Context Set / Desktop Color Separation / Desktop Color System / Digital Communication System / Digital Cross-connect System / Distributed Computing System
DCSS	Digital Customized Support Services / Discontiguous Shared Segments
DCT	Digital Carrier Trunk
DCTN	Defense Commercial Telecommunications Network
DCTS	Dimension Custom Telephone Service
DCU	Digital Credit Union
DD	Data Definition / Definition Description (HTML) / Depacketization Delay / Double Density
DDA	Disk Drive Adaptor / Domain Defined Attribute
DDAP	Digital Distribution of Advertising for Publications
DDB	Distributed DataBase
DDBMS	Distributed DataBase Management System
DDC	Direct Department Calling / Direct Distance Calling
DDCF	Distributed Document Component Facility
DDCMP	Digital Data Communications Messaging Protocol
DDD	Digital Diagnostic Diskette / Direct Distance Dialing
DDE	Dynamic Data Exchange
DDEML	Dynamic Data Exchange Management Library
DDF	Data Description File
DDFA	DTC Device File Access (Utilities)
DDFII	Data Description File for Information Interchange
DDGL	Device Dependent Graphics Layer
DDH	Digital Distributed Hardware
DDI	Direct Dialing In
DDial	Diversi-Dial
DDIF	Digital Document Interchange Format
DDK	Device Driver Kit
DDL	Data Definition Language / Data Description Language / Database Definition Language / Database Description Language / Dynamic Data Link
DDM	Distributed Data Management
DDN	Defense Data Network / Defense Department Network
DDN-NIC	Defense Data Network Network Information Center
DDOV	Digital Data Over Voice
DDP	Datagram Delivery Protocol / Direct Distribution Panel / Distributed Data Processing
DDR	Data descriptive Record
DDS	Dataphone Digital Service / Digital Dataphone Service / Digital Data Service / Digital Data System / Digital Data Storage / Digital Distributed Software / Document Distribution Service
DDT	Don't Do That / DEC Debugging Tape / Dynamic Debugging Tool
DDVT	Dynamic Data Visualization (development) Tool
DDX	Distributed Data eXchange
DE	Discard Eligibility/Eligible
DEA	Data Encryption Algorithm / Drug Enforcement Agency
DEB	Directory Entry Block
DEBI	DMA Extended Bus Interface
DEBIES	DDAP Electronic Business Information Exchange Specification
DEC	Do Expect Cuts / Digital Equipment Corporation
DECDNS	Digital Equipment Corporation Distributed Name Service (usually as DECdns)
DECDTM	Digital Distributed Transaction Manager
DECMCC	Digital Equipment Corporation Management Control Center (usually as DECmcc)
DECNET	Digital Equipment Corporation Network architecture (usually as DECnet)
DECNMS	Digital Network Measurement System
DECT	Digital European Cordless Telephone
DECTP	Digital Transaction Processing
DECUS	Digital Equipment Corporation User's Society
DEF	Direct Equipment Failure
DEK	Data Encryption Key
DEL	Delete (DOS)
DEMPR	Digital Equipment Corporation MultiPort Repeater
DEN	Digital Echo News
DENI	Department of Education for Northern Ireland
DEPBA	Digital Exchange Pirate Board Alliance
DER	Distinguished Encoding Rules
DERP	Defective Equipment Replacement Program
DES	Data Encryption Standard / Defense Encryption Standard / Destination End System / Digital Encryption Standard / Distributed End System
DES-CBC	Data Encryption Standard - Cipher Block Chaining
DESIRE	Directory of European Information Security Standard Requirements
DET	Directory Entry Table
DETLA	Double Extended Three Letter Abbreviation
DEU	Dead - End User
DEW	Distant Early Warning (line)
dewd	dude
DF	Direction Flag / Distributing Frame
DFA	Design For Assembly
DFD	Data Flow Diagram
DFDSS	Data Facility DataSet Services
DFEP	Diagnostic Front End Processor
DFG	Data Flow Graph
DFHSM	Data Facility Hierarchical Storage Manager
DFI	Digital Facility Interface
DFL	Distributed Feedback Layer
DFLA	Damn Four Letter Acronym
DFM	Design For Manufacturing
DFMS	Digital Facility Management System
DFN	Deutsches Forschungsnetz
DFP	Digital Free Press / District Focus Person
DFR	Document Filing and Retrieval
DFS	Distributed File Service / Distributed File System
DFSK	Differential Frequency Shift Keying
DFSMS	Data Facility Sotrage Management Subsystem
DFT	Design for Test(ing) / Distributed Function Terminal
DFWMAC	Distributed Foundation Wireless Medium Access Control
DGITA	Digital Graphic Imaging Technical Association (previously SGAUA)
DGPS	Differential Global Positioning System
DG-UX	Data General UniX
DH	Dear Husband (also Dear Hubby Duh Hubby and of course Dick Head)
DHA	Destination Hardware Address
DHCP	Dynamic Host Configuration Protocol
DHHS	Department of Health and Human Services
DHT	Directory Hash Table
DHTML	Dynamic HyperText Markup Language
DI	Delete Inhibit / Destination Index
DIA	Defense Intelligence Agency / Document Interchange Architecture
DIAC	Directions and Implications of Advanced Computing
DIAFYO	Did I Ask For Your Opinion
DIAG	Datasets Inter Agency Group
DIAL	Digital Idle Asset Listing
DIB	Device Independent Bitmap (graphic format) / Directory Information Base
DIBI	Device Independent Backup Interface
DIBOL	DIgital Business Oriented Language
DIC	Digital Interface Controller
DICE	Digital Interactive Consumer Electronic (machines)
DID	Destination ID / Direct Inward Dialing
DIDC	Data Input and Distribution Card
DIF	Data Interchange Format / Digital Interface Frame / Documentation Interchange Format
DIFMOS	Double Injection Floating-gate Metal Oxide Semiconductor
DIGEST	Digital Electronic Signature Test (usually as DigEST)
DIGI	Deutsche Interessengemeinschaft Internet (German Special Interest Group for Internet)
DIGL	Device Independent Graphics Layer
DIIG	Digital Information Infrastructure Guide
DIIK	Damned If I Know
DILLIGAD	Do I look like I give a darn?!
DILLIGAF	Do I look like I give a f*#k?!
DILLIGAF?	Do I look like I give a F#%k?
DILLIGAFF	Do I look Like I give a Flying Figment?
DIM	Data In the Middle / Demand Integration Meeting / Desktop Information Manager
DIMA	Data Information Management Architecture
DIMM	Dual In-line Memory Module
DIN	Deutsche Industrie Norm / Deutsche Ingineering Normilization / Deutsches Institut fur
DINS	Digital Information Network Service
DIP	Dual In-Line Package
DIPE	Distributed Interactive Processing Environment
DIR	Directory (DOS)
DIS	Defense Investigative Service / Digital Information Systems / Draft International Standard / Dynamic Impedence Stabalization
DISA	Data Interchange Standards Association / Defense Information Systems Agency / Direct Inward Switch Access / Direct Inward System Access
DISER	Digital Information Systems External Resources
DISERF	Data Interchange Standards Education and Research Foundation
DISN	Defense Information Systems Network
DISOSS	DIStributed Office Support System
DISP	Directory Information Shadow Protocol
DIT	Directory Information Tree
DITUIHIBMSL	Did I Tell You I Hate IBMs Lately
DITUILIBMSL	Did I Tell You I Love IBMs Lately
DIU	Digital Interface Unit
DIW	D-Inside Wire
DIX	DEC - Intel - Xerox (connector)
DIZ	Description In Zip
DJNR	Dow Jones News Retrieval (online service)
DL	Download / Data Link / Definition List / Den Leader / Direct Labor / Distribution List
DLAMLT	Don't look at me like that!
DLC	Data Link Control / Distributed Loop Carrier / Digital Loop Carrier
DLCF	Data Link Control Field
DLCI	Data Link Connection Identifier/Identification
DLCU	Digital Line Carrier Unit
DLE	Data-Link Escape (ASCII)
DLL	Data Link Layer / Dial Long Lines / Dynamic Link Library
DLM	Data Line Monitor / Distributed Lock Manager
DLN	Digital Library Network
DLO	Data Line Occupied
DLOC	Dark Lords Of Chaos
DLP	Digital Light Processing
DLPI	Data Link Provider Interface
DLS	Data Link Services / Dial Line Service / Digital Link Service / Document Library Services
DLSAP	Data Link-layer Service Access Point
DLSDU	Data Link-layer Service Data Unit
DLSW	Data Link SWitching (usually as DLSw)
DLT	Digital Linear Tape
DLTBBB	Don't Let The Bed Bugs Bite
DLTU	Digital Line - Trunk Unit
DLU-PG	Digital Line Unit - Pair Gain
DLUPG	Digital Line Unit Pair Gain
DLVA	Detector Logarithmic Video Amplifier
DM	Dead Memory / Delta Modulation / Dimension Modeling / Disconnected Mode / Distributed Management
DMA	Direct Memory Access (channel)
DMCL	Digital Modem Command Language
DMCR	Debug Mode Control Register
DMD	Directory Management Domain
DMDD	Distributed Multiplexing Distributed Demultiplexing
DME	Digital Management Education / Distributed Management Environment
DMF	Distributed Management Framework / Distribution Media Floppy / Distribution Media Format
DMI	Definition of Management Information / Desktop Management Interface / Digital Multiplexed Interface
DML	(SQL) Database Manipulation Language / Data Manipulation Logic
DMM	Digital Multi-Meter / District Manufacturing Manager
DMO	(SQL) Distributed Management Objects / Domain Management Organization
DMOS	Diffusion Metal Oxide Semiconductor / Double-diffused Metal Oxide Semiconductor
DMPDU	Derived Medium access control Protocol Data Unit
DMS	Data Management System/Services / Defense Messaging System / Digital Multiplex(ed) Switch/System / Diskless Management Service
DMSS	Distribution
DMT	Design Maturity Test / Discrete MultiTone
DMTF	Desktop Management Task Force
DMU	Data Manipulation Unit
DN	Directory Number / Distinguished Name / Distribution Network / Domain Name / Down
DNA	DEC Network Architecture / Defense Nuclear Agency / Digital Named Accounts / Digital Network Architecture / Digital News Associates / Digital Noise Alliance / Distributed Network Architecture / Deoxyribonucleic acid
DNC	Dynamic Network Controller
DND	Do Not Disturb
DNDO	Do Not Disturb Override
DNDS	Distributed Network Design System
DNHR	Dynamic Non-Hierarchical Routing
DNIC	Data Network Identification Code
DNIS	Dialed Number Identification Service
DNP	Distributed Network Processing
DNPM	Darn (Damn) Near Pis*ed Myself
DNR	Data Network Routing / Dialed Number Recorder / Digital Number Recorder
DNS	Domain Name Service / Domain Naming System / Domain Name System / Domain Name Server
DNX	Dynamic Network Cross-Connect (X-connect)
DO	Distributed Object
DOA	Dead On Arrival / Distributors Of Anarchy
DOAM	Distributed Office Applications Model
DOC	Department of Communications (in Canada) / Document DOC Department of Communications (in Canada) / Document
DOCS	Display Operator Console System
DOD	Department of Defense / Direct Outward Dialing
DOE	(U.S.) Department Of Energy / Department of Energy
DOI	Distributed Object Infrastructure
DOJ	Department of Justice
DOM	Data On Master (group) / District Operations Manager
DOMF	Distributed Object Management Facility
DOMS	Distributed Object Management System
DOMSAT	Domestic Satellite (service)
DON	Department Of the Navy
DONACS	Department Of the Navy Automation and Communication System
DOP	Directory Operational Protocol
DORK	Domestic Organization for Real K????
DOS	Defective Operating System / Disc Operating System / Denial of Service
DOSBS	Data Over Speech Bearer Service
DOT	(U.S.) Department Of Transportation
DOTS	Digital Office Timing Supply
DOV	Data Over Voice
DOW	Direct Over-Write (technology)
DP	Data Processing / Demarcation Point / Dial Pulse / Draft Proposal / Dial Pulse
DPA	Demand Protocol Architecture / Distributed Power Architecture / Document Printing Application
DPAC	Dedicated Plant Assignment Center
DPAM	Demand Priority Access Method
DPANS	Draft Proposed American National Standard (usually as dpANS)
DPB	Drive Parameter Block
DPC	Data Processing Center / Deferred Procedure Call / Destination Point Code / Direct Program Control
DPCM	Differential Pulse Code Modulation
DPE	Data Path Extender
DPG	Dedicated Packet Group
DPI	Dot Pitch Integer / Dots Per Inch
DPL	Dedicated Private Line
DPLL	Digital Phase Locked Loop
DPM	Data Processing Manager
DPMA	Data Processing Management Association
DPMI	DOS Protected Mode Interface
DPMS	Display Power Management Signaling / DOS Protected Mode Services
DPNPH	Data Packet Network - Packet Handler
DPN-PH	Data Packet Network - Packet Handler
DPO	Dial Pulse Originating
DPP	Discounted Payback Period / District Partner Program
DPSC	Defense Personnel Support Center
DPSK	Differential Phased Shift Keying
DPSS	(Los Angeles County) Department of Public Social Services
DPSWG	Digital Privacy and Security Working Group
DPT	Dial Pulse Terminating / Distributed Processing Technology
DQDB	Distributed Queue Dial Bus
DQL	DataEase Query Language
DQT	Design Quality Test
DR	Data Ready / Data Receive / Delivery Report / Digital Research / Disconnect Request
DRAM	Dynamic Random Access Memory
DRC	Data Resource Center
DRDA	Distributed Relational Database Architecture / Access
DR-DOS	Digital Research Disk Operating System
DREF	Distribution Research and Education Foundation
DRMU	Digital Remote Measurement Unit
DRN	Data Routing Network
DROOL	Dave's Recycled Object - Oriented Language
DRP	DECnet Routing Protocol / Directory Replication Protocol / Distribution Resource Planning
DRPF	Decimal Reference Publication Format
DRS	Data Rate Selector
DRT	Digital Real Time
DS	Data Segment / Data System / Digital (carrier) Span / Digital Service / Directory Service / Direct Signal / Digital Signal (level 0 - 3) / Digital Stream (1
DS/DD	Double Sided / Double Density
DS/HD	Double Sided / High Density
DS0	Digital Signal (level) Zero
DSA	Decimal Shift and Add (algorithm) / Dedicated Switched Access / Destination Software Address / Digital Storage Architecture / Decimal Shift and Add (algorithm) / Directory Service Agent / Directory System Agent / Directory Service Area / Directory System A
DSAD	Digital Storage Architecture for Disk
DSAP	Data link Service Access Point / Destination Service Access Point
DSAT	Digital Storage Architecture for Tape
DSB	Double SideBand
DSBAM	Double-SideBand Amplitude Module
DSBFC	Double SideBand Full Carrier
DSBSC	Double SideBand Suppressed Carrier
DSC	Data Stream Compatibility / Direct Satellite Communications / Document Structuring Conventions
DSD	Data Structure Definistion / Distributed Self Discovery
DSDC	Direct Service Dial Capability
DSDF	Digital Standard Disk Format
DSDS	Dataphone Switched Digital Service
DSE	Data Switching Equipment / Distributed Single-layer Embedded / Distributed System Environment / DSA Specific Entry
DSI	Data Subscriber Interface / Digital Speech Interpolation
DSID	Destination Signaling IDentifier
DSIN	Digital Software INformation
DSL	Digital Subscriber Line
DS'L	Doctor Stein's Laboratories
DSLA	Digital Software Licensing Architecture
DSLAM	Digital Subscriber Line Access Multiplexer
DSLO	Distributed System License Option
DSM	Diagnostic System Manager / Digital Standard MUMPS / Distributed Switching Matrix / Distributed Systems Manufacturing / District Sales Manager
DSMA	Digital Sense Multiple Access
DSMC	Digital Service Monthly Charge
DSN	Data Source Name / Defense Switched Network / Digital Services Network / Digital Signal (Level) N
DSO	Days Sales Outstanding / Digital Storage Oscilloscope
DSOM	Distributed System Object Model
DSP	Defense Standardized Profit / Digital Signal Processor / Directory System Protocol / Domain Specific Part
DSPU	DownStream Physical Unit
DSR	Data Send/Set Ready / Date Set Ready / Dynamic Service Register
DSRI	Digital Standard Relational Interface
DSS	Data Station Selector / Decision Support System / Digital Satellite System / Digital Signal Standard / Digital Signature Standard / Digital Subscriber Service / Digital Subscriber Signaling / Direct Station Selection / Distributed Security Service
DSS/BLF	Direct Station Selection / Busy Lamp Field
DSS1	Digital Subscriber Signaling (system No.) 1
DSSI	Digital Small Storage Interconnect / Digital Storage Systems Interconnect
DSSSL	Document Style Semantics and Specification Language
DSTAR	Digital System Technical Architecture Research
DSTP	Data Source Transfer Protocol
DSU	Data Service Unit / Digital Service Unit
DSUWG	Data Systems Users Working Group
DSVD	Digital Simultaneous Voice and Data
DSV-IS	Design Specification and Verification of Interactive Systems
DSVIS	Design Specification and Verification of Interactive Systems
DSX	Digital Signal Cross-Connect (X-Connect) DSX Digital Signal Cross-Connect (X-Connect)
DT	Data Transfer / Data Transmit / Definition Term / Detection Threshold / Dial Tone / Di-group Terminal
DT&E	Development Test and Evaluation
DTA	Disk Transfer Area
DTAM	Document Transfer Access and Manipulation
DTAS	Digital Test Access System
DTC	Data Technology Corporation / Datacommunications and Terminal Controller / Digital Trunk Controller / Di-group Terminal Controller / Distributed Transaction Coordinator
DTD	Document Type Definition
DTDS	Disaster Tolerant Disk Systems
DTE	Data Terminal Equipment
DTF	Dial Tone First
DTFS	Direct Tape File System
DTG	Direct Trunk Group
DTI	Dark Towers International / Department of Trade and Industry / Digital Trunk Interface
DTIF	Digital Tabular Interchange Format / Digital Transmission Interface Frame
DTMF	Dual Tone Modulation Frequency / Dual-Tone-Multi-Frequency
DTN	Digital Telephone Network
DTP	DeskTop Publishing / Distributed Transaction Processing
DTR	Data Terminal Ready (signal) / Dedicated Token Ring / Draft Technical Report
DTRT	Do The Right Thing
DTS	Data Transfer System / Deposit Tracking System / Digital Termination Service/System / Digital Transcoding Switch / Digital Transmission System / Distributed Terminal Subsystem / Distributed Time Service
DTST	Dial Tone Speed Test
DTSX	Data Transport Station for X.25
DTU	Di-group Terminal Unit
DTV	Desktop Video
DU	Data Unit
DUA	Dallas Underground Association / Directory User Agent
DUART	Dual Universal Asychronous Receiver Transmitter
DUCWIC	Do You See What I See?
DUCWIM	Do You See What I Mean?
DUHWIH	Do You Hear What I Hear?
DUN	Dial-Up Networking
DUSR	Digital Authorized Used Systems Resellers
DUV	Data Under Voice
DUX	Digital Voice eXchange
DV	Digital Video
DVB	Digital Video Broadcasting
DVC	Digital Video Cassette / Digital Video Conference
DVD	Digital Versatile Disk / Digital Video Disk
DVDROM	Digital Versatile Disk Read Only Memory
DVD-ROM	Digital Versatile Disk Read Only Memory
DVE	Digital Video Effects
DVI	Digital Video Interactive/Interleaved
DVM	Data Voice Multiplexor
DVMRP	Distance Vector Multicast Routing Protocol
DVN	Digital Video Network
DVT	Design Verification Test
DVX	Digital Voice Exchange
DW	Data Warehousing
DWCI	DecWindows Compiler Interface
DWI	Doc Writers Incorporated
DWIM	Do What I Mean
DWIMC	Do What I Mean Correctly
DWISNWID	Do What I Say Not What I Do
DXC	Digital Cross-Connect
DXF	Data eXchange Format (graphic format)
DXI	Data eXchange Interface
DYJHIW	Don't you just hate it when...
DYLAN	DYnamic LANguage

D

DAVP              :- Directorate of Advertising and Visual Publicity

DCA                :- Drug and Cosmetic Act

DCI                 :- Dredging Corporation of India

DDT                :- Dichloro Diphenyle Trichloroethane

DDP                :- Desert Development Programme

DFDR             :- Digital Flight Data Recorder (Black Box)

DIG                 :- Deputy Inspector General

D.Lit                :- Doctor of Literature

DGCA             :- Director General of Civil Aviation

DICGC           :- Deposit Insurance and Credit Guarantee Corporation

DIG                 :- Defence Intelligence Group

DLO                :- Dead Letter Office

DGCEI           :- Directorate General of Central Excise Intelligence

DM                 :- District Magistrate

DMK              :- Dravida Munetra Kazhagam

DMRL            :- Defence Metalurgical Research Laboratory

DNA                :- Di-oxyribo Nucleic Acid

DNEM            :- Dynamic Numeric Encoding Method

DPAP               :- Drought Prone Area Programme

DPCS              :- Defence Satellite Communication System

DPC                :- Dabhol Power Company

DPCO             :- Drug Prices Control Order

DPSA              :- Deep Penetration Strike Aircraft

DRDO            :- Defence Research and Development Organization

DRI                 :- Director of Revenue Intelligence

DSP                 :- Digital Signal Processing

DST                :- Department of Science & Technology

DTH               :- Direct To Home

DOTS             :- Directly Observed Treatment Shortcourse

DVC               :- Damodar Valley Corporation

DVD               :- Digital Versatile Disk