| Acronym | Meaning |
![](file.png) | AOAC | Association Of Official Analytical Chemists |
![](file.png) | AOB | Analytical Operations Branch (OSWER) |
![](file.png) | AOB | Adiabatic Oxygen Bomb (calorimeter) |
![](file.png) | AOB | Ammonia Oxidizing Bacteria |
![](file.png) | AOC | Administrative Order Of Consent |
![](file.png) | AOC | Areas Of Concern |
![](file.png) | AOC | Assimilable Organic Carbon |
![](file.png) | AOCI | Airborne Ocean Color Imager |
![](file.png) | AOCS | American Oil Chemists' Society |
![](file.png) | AOD | Argon Oxygen Decarburization |
![](file.png) | AODC | Acridine Orange Direct Count [of Bacteria] |
![](file.png) | AODC | Australian Oceanographic Data Center |
![](file.png) | AODP | Advanced Ocean Drilling Program |
![](file.png) | AOEC | Association Of Occupational And Environmental Clinics |
![](file.png) | AOES | Actinometry Optical Emission Spectroscopy |
![](file.png) | AOGCM | Atmosphere-ocean General Circulation Model |
![](file.png) | AOI | Automatic Optical Inspection |
![](file.png) | AOIPS | Atmospheric And Oceanographic Information Processing System |
![](file.png) | AOM | Angular Overlap Model |
![](file.png) | AOMA | American Occupational Medical Association |
![](file.png) | AOML | Atlantic Oceanographic And Meteorological Laboratory (of NOAA |
![](file.png) | AOP | Advanced Oxidation Processes (hydroxyl Generation) |
![](file.png) | AOQL | Average Outgoing Quality Limit |
![](file.png) | AOS | Alpha Olefin Sulfonate (surfactant) |
![](file.png) | AOSTRA | Alberta Oil Sands Technology And Research Authority |
![](file.png) | AOT | Aerosol OT (surfactant) (reg: 577117) |
![](file.png) | AOT40 | Accumulated Ozone Exposure Over A Threshold Of 40 Ppb |
![](file.png) | AOT60 | Accumulated Ozone Exposure Above A Threshold Value Of 60 Ppb |
![](file.png) | AOTF | Acousto-optic Tunable Filter |
![](file.png) | AOTS | Acoustic Optic Tunable Scanning |
![](file.png) | AOU | Apparent Oxygen Utilization |
![](file.png) | AOVB | Atomic Orbital Valence Bond (molecular Wave Function) |
![](file.png) | AOX | Adsorbable Organohalogens |
![](file.png) | AP | Appearance Potential |
![](file.png) | AP-PCR | Arbitrarily Primed Polymerase Chain Reaction |
![](file.png) | APA | Administrative Procedure Act |
![](file.png) | APA | Air Pathway Analysis |
![](file.png) | APA | Adiabatic Perturbation Approxn. (for Quantum Calcns. On Fermi Superfluids) |
![](file.png) | APA | Alkaline Phosphatase Activity |
![](file.png) | APACHE | Accelerator For Physics And Chemistry Of Heavy Elements |
![](file.png) | APAD | 3-acetylpyridine Adenine Dinucleotidepar |
![](file.png) | APAES | Appearance Potential Auger Electron Spectroscopy |
![](file.png) | APAF | Apoptosis Protease Activating Factor |
![](file.png) | APAR | Absorbed Photosynthetically Active Radiation |
![](file.png) | APB | Antiphase Boundary (crystal Chemistry) |
![](file.png) | APC | Air Pollution Control |
![](file.png) | APC | American Plastics Council |
![](file.png) | APC | Activated Protein C |
![](file.png) | APC | Adenomatous Polyposis Coli |
![](file.png) | APC | Anaphase-promoting Complex |