| Acronym | Meaning |
| ATR | Attenuated Total Reflectance |
| ISAW | Interactive Self-avoiding Walk [modeling] |
| BTIS | Beam Tube Isolation System |
| BSH | Bile Salt Hydrolase |
| AEDC | Arnold Engineering Development Center |
| ECID | Electron Capture Induced Decomposition |
| SME | Shape Memory Effect |
| MAP | Modified Atmosphere Packaging |
| VCS | Voluntary Cleanup Section |
| LEPS | London-Eyring-Polanyi-Sato (potential-energy Surface) |