abbr.	AIT	Average Instruction Time
		abbr.	AIX	Advanced Interface Executive
		abbr.	AJBO	Anti-Jamming Black-Out
		abbr. tech.	ALA	Alighting Area
		abbr. chem.	ALA	Alanine
		chem.	Ala	Alanine aminoacid
		med.	alb	albumin
		geogr.	Alb.	Albania
		abbr.	Ald.	alderman
		geogr.	Alg.	Algeria
		med.	alk phos	alkaline phosphatase
		abbr. astr.	ALPO	Association of Lunar and Planetary Observers
		abbr.	Alta.	Alberta
		abbr.	aM	morning
		abbr.	AM	Access Manway
		abbr.	AM	Ante Meridiem, before noon
		abbr.	AM	Associate Member
		abbr.	AM	Master of Arts
		abbr.	Am Phys Soc	American Physical Society
		geogr.	Am.	America (n)
		geogr.	Am. Sam.	American Samoa
		abbr. med.	AMA	Anti-Mitochondrial Antibody
		abbr.	amal	amalgamated
		abbr.	amb	amber
		abbr. econ.	AMEX	American Express
		abbr. file.ext.	AMF	Music format (DMP)
		abbr.	amp	amperage
		abbr.	amp-hr	ampere-hour
		abbr.	ampl	amplitude
		abbr.	amps	amperes
		abbr.	AMS	Agricultural Marketing Service
		med.	amy	amylase
		abbr.	An	anode
		abbr.	An	normal atmosphere
		abbr.	anal	analytic
		abbr. med.	ANCA	antineutrophil cytoplasmic antibody
		lat.	And	Andromeda (Андромеда)
		geogr.	And.	Andorra
		abbr.	ang	angle
		abbr. med.	ANLL	acute nonlymphocytic leukemia
		abbr.	ann	annals
		file.ext.	Ann	Multi volume ARJ archive (ARJ archiver)
		abbr. file.ext.	ANS	File includes ANSI-symbols (ANSview)
		lat.	Ant	Antilia (the Pump, Насос)
		geogr.	Ant.	Antigua
		abbr.	ANTA	American National Theatre and Academy
		med.	Anti-SMA	Anti-Smooth Muscle Antibody
		abbr.	ANZAC	Australian and New Zealand Army Corps
		abbr.	AO	A-operator
		abbr.	AO	tanker
		abbr.	AOCB	any other competent business
		abbr.	AOH	Ancient Order of Hibernians
		abbr. med.	AOP	aortic pressure
		abbr. med.	AP	anteroposterior
		abbr.	Ap	A-pole
		abbr.	AP	anomalous propagation
		abbr.	ap	apex
		abbr.	ap	apothecary
		abbr.	AP	argument pointer
		abbr.	AP	arithmetical progression
		abbr.	AP	authority to pay
		abbr.	AP	authority to purchase
		abbr.	APA	available phosphoric acid
		abbr. med.	APAG	antipseudomonal aminoglycosidic penicillin
		abbr.	APC	average propensity to consume
		abbr. comp.	APDA	Apple Product Developers' Association
		abbr.	APFC	automatic phase and frequency control
		abbr.	APIC	Advanced Peripheral Interrupt Controller
		abbr. comp.	APL	Automatic Picture Level
		abbr. tech.	APL	Acceptable Process Level
		abbr.	APME	Alpha PolyMorphic Engine
		abbr. astr.	APO	Apache Point Observatory
		abbr.	APPC	Advanced Program-to-Program Communication
		abbr.	APRANET	Advanced Research Projects Agency Network
		lat.	Aps	Apus (the Bird of Paradise, Райская Птица)
		abbr. med.	APS	Anti-Phospholipid Syndrome
		abbr. med.	APSAC	anisoylated plasminogen/streptokinase activator complex
		abbr.	apsi	amperes per square inch
		abbr. med.	APTT	activated partial thromboplastin time
		abbr.	aq sol	aqueous solution
		lat.	Aql	Aquila (the Eagle, Орел)
		lat.	Aqr	Aquarius (the Water-carrier, Водолей)
		abbr. file.ext.	ARC	Archive format (ARC, PKARC/PKXARC, PKPAK/PKUNPAK)
		abbr. tech.	ARFDS	Automatic Re-entry Flight Dynamics Stimulator
		geogr.	Arg	Argyllshire
		abbr. chem.	ARG	Arginine aminoacid
		geogr.	Argyl.	Argyllshire
		lat.	Ari	Aries (the Ram, Овен)
		abbr.	ARI	airborne radio installation
		abbr. file.ext.	ARJ	Archive format (ARJ archiver ARJZ)
		abbr. file.ext.	ARK	Archive format (QUARK archiver)
		abbr.	ARL	Arial
		abbr. med.	ARM	artificial rupture of membranes
		abbr.	ARM	aviation radioman
		geogr.	Arm.	Armenia
		abbr.	armtr	armature
		abbr.	ARS	aircraft radio sight
		abbr.	ARSB	anchored radio sonobuoy
		abbr.	ARTA	American Radio-Telegraphists Association
		abbr.	ARU	automatic range unit

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