| Acronym | Meaning |
| RAM | Renormalized Atom Model (for Electronic-structure Calcns.) |
| FCCSET | Federal Coordinating Council On Science |
| CML | Chronic Myelogenous Leukemia |
| SMAW | Shielded Metal Arc Welding |
| MMI | Man-machine Interface |
| RVDT | Rotary Variable Differential Transformer |
| COMFA | Comparative Molecular Field Analysis |
| AAETA | Atomic Spectroscopy With Electrothermal Atomization |
| ANO | Average Natural Orbitals |
| ERD | Emergency Response Division |