| Acronym | Meaning |
| MCC | Motor Control Center |
| IRP | Internal Reflection Photolysis |
| IAA | Indole-3-acetic Acid |
| AAR | Alkali-aggregate Reaction |
| ELEED | Elastic Low Energy Electron Diffraction |
| ATBN | Amine Terminated Butadiene Acrylonitrile (rubber) |
| QSM | Quantum Statistical Mechanics |
| DSR | Dynamic Shape Roll |
| CREAMS | Chemicals |
| RAA | Rigid-atom Approxn. (in Electronic Structure Calcns.) |