abbr.	d/l	duo-lateral (winding)
		abbr.	D2S & CM	dressed 2 sides and centre matched
		abbr. comp.	DAC	Design Automation Conference
		abbr. tech.	DAC	Drive Automatic Computer
		abbr. comp.	DACS	Digital Access and Cross Connect System, same as DXS
		abbr.	DACTLU	Deactivate Logical Unit
		abbr.	DACTPU	Deactivate Physical Unit
		abbr.	DAF	Delivered of frontier
		abbr.	dag	decagram
		abbr. comp.	DAL	Disk Access Lockout
		abbr. tech.	DAL	Digital Active Line
		abbr.	dal	dekalitre
		abbr.	dam	decametre
		abbr. chem.	DAP	Diammonium Phosphate
		abbr. comp.	DAS	Directory Assistance Service
		abbr. file.ext.	DAT	Database file (Clarion)
		abbr. file.ext.	DAT	Datas file
		abbr. econ.	DAX	Deutsche Aktionen Index
		abbr. tech.	DB	dry bulb thermometer
		abbr. file.ext.	DB	Database file (Paradox, XTreeGold, dbvista)
		abbr. file.ext.	DB	Multi Edit config (ME)
		abbr. file.ext.	DBA	Database file (Turbo Prolog)
		abbr.	DBB	detector balance bias
		abbr. tech.	DBC	Dynamic Beam Control
		abbr. comp.	DBCC	Database Consistency Checker
		abbr.	DBCS	DataBase Control System
		abbr. med.	DBIL	direct bilirubin
		abbr.	Dbkey	DataBase Key
		abbr. comp.	DBL	DataBase Language
		abbr.	dbm	decibels referred to 1 milliwatt
		abbr.	dBP	diastolic blood pressure
		abbr.	DBQ	DataBase Query
		abbr.	DBR	DataBase Recovery
		abbr. el.	DBS	DIL-bent-SIL power package
		abbr.	dbswr	standing wave ratio in decibels
		abbr. file.ext.	DBT	Memo-field file (Clipper,DBase, FoxBase)
		abbr. phys.	DBTT	Ductile to Brittle Transition Temperature
		abbr.	dbv	decibels referred to 1 volt
		abbr.	dbw	decibels referred to 1 watt
		abbr.	DC	Digital Control
		abbr. comp.	DCA	Defence Communications Agency
		abbr. comp.	DCA	Distributed Communications Architecture
		abbr.	DCC	double-cotton-covered
		abbr.	DCD	Data Carrier Detected
		abbr.	DCD	Directorate of Communication Development
		abbr. file.ext.	DCP	OS/2 device code page
		abbr. file.ext.	DCT	Dictionary (Clarion)
		abbr.	dct	documental
		abbr.	DCU	Disk Cartridge Unit
		abbr. mil.	DD	Dishonourable Discharge
		abbr. tech.	DD	Diamond Drilling
		abbr. tech.	DD	Drilling Deeper
		abbr. tech.	DD	Drilling Detergent
		abbr. phys.	DD	Double Diode
		abbr. econ.	DD	Demand Draft
		abbr.	DD	Days after Date
		abbr.	dd	delivered
		abbr.	dd	distribution density
		abbr. comp.	DDBMS	Distributed DBMS
		abbr.	DDCMP	Digital Data Message Protocol
		abbr. cryptogr.	DDH	Decisional Diffie-Hellman assumption
		abbr. tech.	DDH	Diamond Drilling Hole
		abbr. comp.	DDK	Microsoft Device Driver Kit
		abbr. comp.	DDK	Microsoft Driver Development Kit
		abbr. comp.	DDL	Data Definition/Description Language
		abbr. comp.	DDL	Dynamic Data Library
		abbr. tech.	DDL	Direct Digital Logging
		abbr. tech.	DDM	Difference in Depth of Modulation
		abbr. comp.	DDN	Defence Data Network
		abbr. astr.	DDO	David Dunlap Observatory
		abbr. comp.	DDT	DIBOL Debugging Technique
		abbr. phys.	DDT	Double Diode-Triode
		abbr.	ddt	dated
		abbr. cryptogr.	DEE	Data Encipherment/Encryption Environment
		abbr. file.ext.	DEF	Linker definition file (TLink, WLink...)
		abbr.	def	deficit
		lat.	Del	Delphinus (the Dolphin, Дельфин)
		abbr. comp.	DEL	Delete Character
		abbr. comp.	DEL	Direct Electronic Library
		abbr. comp.	DEL	Direct Executed Language
		abbr.	del	delayed
		abbr.	dem	democratic
		abbr. comp.	DEMS	Digital Electronic Message Services
		abbr.	Den.	Denbighshire
		abbr.	Dep'n	deprecation
		abbr. comp.	DES/GSA	Digital Encryption Standard/General Security for Equipment Using
		geogr.	Devon.	Devonshire
		abbr.	Df	deferred shares
		abbr.	DF	distribution free
		abbr. comp.	DFX	Data Field Exchange
		abbr. med.	DGI	disseminated gonococcal infection
		abbr.	DH	direct heating
		abbr.	Dial	dialysis
		abbr. el.	DIL	Dual-In-Line package
		abbr.	dil	dilution
		abbr.	DIMM	Dual In-Line Memory Module
		abbr.	dir	directory
		abbr.	disbs.	disbursement
		abbr. comp.	DISN	Defence Integrated Secure Network
		abbr. econ.	DJCA	Dow Jones Composite Average

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