| Acronym | Meaning |
 | ADXPS | Angular Dependent X-ray Photoelectron Spectroscopy |
 | AE | Acoustic Emission |
 | AE-CI | All Electron-configuration Interaction |
 | AEA | Acoustic Emission Analysis |
 | AEA-MO | All-electron Approxn.-mol. Orbital |
 | AEAPS | Auger-electron Appearance-potential Spectroscopy |
 | AEC | Area Of Environmental Concern |
 | AEC | Atomic Energy Commission |
 | AEC | Acceptable Effluent Concentration |
 | AECB | Atomic Energy Control Board |
 | AECB | Acute Exacerbations Of Chronic Bronchitis |
 | AECMA | European Association Of Aerospace Manufacturers |
 | AED | Atomic Emission Detector |
 | AED | Auger Electron Diffraction |
 | AEDC | Arnold Engineering Development Center |
 | AEDE | Annual Effective Dose Equivalent |
 | AEE | Adverse Environmental Effect |
 | AEERL | Air And Energy Engineering Research Laboratory (US EPA) |
 | AEES | Auger Electron Emission Spectroscopy |
 | AEFCA | All-electron Frozen-core Approximation |
 | AEGIS | ATM European Group For Improvement Of Scenarios |
 | AEGL | Acute Exposure Guideline Level |
 | AEHA | Army Environmental Hygiene Agency |
 | AEHS | Association For The Environmental Health Of Soils |
 | AEI | Avalanche Electron Injection |
 | AEIC | Analytical Environmental Immunochemical Consortium |
 | AEM | Analytical Electron Microscopy |
 | AEM | Auger Electron Microscopy |
 | AEM | Acoustic Emission Monitoring |
 | AEMA | Auger Electron Microanalysis |
 | AEOS | Advanced Electro-Optical System |
 | AEP | Auditory Evoked Potential |
 | AEP | American Electric Power (USA) |
 | AEPECS | Auger Electron-photoelectron Coincidence Spectroscopy |
 | AEPS | Auger Electron Appearance Potential Spectroscopy |
 | AER | Atmospheric And Environmental Research |
 | AERC | Association Of Ecosystem Research Centers |
 | AERE | Atomic Energy Research Establishment |
 | AERL | Air And Energy Engineering Research Laboratory |
 | AERMOD | AMS/EPA Regulatory Model |
 | AERO | Association For Excellence In Reactor Operations |
 | AEROCE | Atmosphere-Ocean Chemistry Experiment |
 | AEROS | Aerometric And Emissions Reporting System |
 | AES | American Electroplating Society |
 | AES | Auger Electron Spectroscopy |
 | AES | Auger Emission Spectroscopy |
 | AES | Atomic Emission Spectroscopy |
 | AESA | Association Of Environmental Scientists And Administrators |
 | AESA | Atmospheric Effects Of Stratospheric Aircraft |
 | AESOP | Airborne Experiment To Study Ozone Production |