| Acronym | Meaning |
| RAFA | Rank Annihilation Factor Analysis |
| PDGF | Platelet-derived Growth Factor |
| MAES | Metastable Atom Electron Spectroscopy |
| RA | Remedial Action |
| NEMI | National Environmental Methods Index |
| CIDA | Cometary Impact Dust Analyzer |
| HCMV | Human Cytomegalovirus |
| MODY | Maturity Onset Diabetes Of The Young |
| RAL | Recommended Allowable Limit |
| CCF | Correlation Crystal Field |