| Acronym | Meaning |
| RER | Rough Endoplasmic Reticulum |
| MAM | Modified Atoms (in) Molecules |
| IRMM | Institute For Reference Materials And Measurements |
| RCA | Rolling-circle Amplification |
| OGDR | Optogalvanic Double Resonance |
| USPHS | United States Public Health Service |
| CCAP | Center For Clean Air Policy |
| MMPC | Metal-matrix Particulate Composites |
| CIPEA | Comite International Pour L'Etude Des Argiles |
| APSG | Antisymmetrized Product Of Strongly Orthogonal Geminals (variant Of Multiconfiguration Self-consistent Field Method) |