| Acronym | Meaning |
| FP-LMTO | Full-potential Linear Combination Of Muffin-tin Orbitals |
| UPD | Underpotential Deposition |
| MRS | Minimum Required Strength |
| AVIRIS | Airborne Visible-infrared Imaging Spectrometer |
| ICS | Intermittant Control Strategy |
| CCPD | Charge-coupled Photodiode Device |
| ND | Nitrification Denitrification |
| IEL | Intraepithelial Lymphocyte |
| DVR | Discrete Variable Representation (in Wave Function Calcn.) |
| ABI | Automated Ball Indentation |