Alphabetical Listing of Atmospheric Research Center Acronyms
- ANPR — Advance Notice of Proposed Rulemaking
- ANRHRD — Air Noise Radiation Health Research Division
- ANS — Advanced Neutron Source
- ANS — American National Standard
- ANS — American Nuclear Society
- ANS — Autonomic Nervous System
- ANSI — American National Standards Institute
- ANSS — American Nature Study Society
- ANSTO — Australian Nuclear Science And Technology Organization
- ANTA — 5-amino-3-nitro-1H-1
- ANTARES — Advanced Nuclear Thermal Rocket Engine Simulator
- ANTHEM — Plasma Simulation Code
- AO — Arctic Oscillation
- AO — Announcement of Oppurtunity
- AO — Abnormal Occurrence
- AO — Administrative Order
- AO — Air Overseas
- AO — Annotated Outline
- AOC — Area of Concern
- AOC — Award of Contract
- AOC — Area of Contamination
- AOD — Argon-oxygen Decarbonization
- AOG — Acid Offgas
- AOG — Augmented Offgas
- AOIPS — Atmospheric And Oceanographic Information Processing System
- AOL — Airborne Oceanographic LIDAR
- AOM — Annual Operating & Maintenance
- AOML — Atlantic Ocean Meteorological Laboratory
- AON — Atmospheric Odd Nitrogen Species Project
- AOO — Anticipated Operational Occurrence
- AOP — Abnormal Operating Procedure
- AOP — Annual Operating Plan
- AOPR — Associated Offices of Primary Responsibility
- AORD — Astronaut Operations Requirements Document
- AOS — Advanced Orbiting System
- AOS — Archive And Operations System
- AOS/VS — Advanced Operating System/virtual Storage
- AOSO — Advance Orbiting Solar Observatory
- AOSP — Advanced Onboard Signal Processor
- AOV — Air-operated Valve
- AP — Anomalous Propagation
- AP — Attached Payload
- AP — Access Permit
- AP — Action Plan
- AP — Administrative Procedure
- AP — Amparo
- AP — Assigned Personnel
- APA — Allied Pilot’s Association
- APA — Administrative Procedures Act
- APA — American Planning Association
- APACM — Atmospheric Physical And Chemical Monitor
- APARE — Asian/Pacific Regional Experiment
- APAS — Astrophysical
- APC — Argon Purge Cart
- APC — Ammonium Perchlorate
- APCA — Air Pollution Control Association
- APD — Advanced Planning Division
- APD — Advance Planning Document
- APD — Areal Power Density
- APD — Avalanche Photodiode
- APDCS — Axial Power Distribution Monitoring System
- APDF — Accelerator Performance Demonstration Facility
- APE — Action Plan Element
- APEN — Air Pollution Emissions Notice
- APET — Accident Progression Event Tree
- APEX — Acid Precipitation Experiment
- APEX — Advance Purchase Excursion
- APEX — APLE Prototype Experiment
- APG — Aberdeen Proving Ground
- APHA — American Public Health Association
- API — American Petroleum Institute
- API — Application Program Interface
- API — Axial Power Indicator
- API — Absolute Position Indication
- APIP — Aircraft Produced Ice Particles
- APJ — The Astrophysical Journal
- APL — Applied Physics Laboratory
- APL — Average Power Laser
- APLE — Average Power Laser Experiment
- APLJHU — Applied Physics Laboratory John Hopkins University
- APM — Axial Power Monitor
- APO — Administrative Policy Office
- APOL — Analytical Photonics And Opto-Electronics Laboratory
- APOLLO2 — RTD SRL Code For Operating Limits
- APPA — American Public Power Association
- APPLY — Parallel Program Generation
- APR — Automatic Pressure Relief
- APR — Aberdeen Pulsed Reactor Facility
- APRM — Average Power Range Monitor
- APS — American Physical Society
- APS — Advanced Power Source
- APS — Array Processing System
- APS — Atomic Power Station
- APS — Auxiliary Power System
- APS — Autocorrelated Photon Spectroscopy
- APS — Axial Power Shape
- APT — Automatic Picture Transmission
- APT — Alliance For Photonic Technology
- APT — Accelerator Production of Tritium
- APU — Auxiliary Power Unit