| Acronym | Meaning |
| ALE | Atomic Layer Epitaxy |
| CASPT | Complete Active Space-perturbation Theory |
| LAPS | Light-Addressable Potentiometric Sensor |
| AVCC-IOS | Azimuthal (and) Vibrational Close-coupled (rotational) Infinite Order Sudden |
| NITEP | National Incinerator Testing And Evaluation Program (Canada) |
| INSIPID | Inadequate Sensitivity Improvement By Proton Indirect Detection |
| HIRDLS | High-Resolution Dynamics Limb Sounder |
| APWA | American Public Works Association |
| NFPA | National Fire Protection Association |
| CLSM | Confocal Laser Scanning Microscopy |