| Acronym | Meaning |
| STM | Scanning Tunneling Microscopy |
| OMMSQA | Office Of Modeling |
| URV | Unit Risk Value |
| ECCS | Emergency Core Cooling System |
| PBP | Penicillin Binding Protein |
| CAN | Cellulose Acetate Nitrate |
| IALLW-CAT | Isotope Area Liquid Low-level Waste Collection And Transfer |
| IHP | Inositol Hexaphosphate |
| CMM | Compositionally Modulated Multilayers |
| TSETG | Two-step Excitation Transient Grating |