| Acronym | Meaning |
| GLORIA | Gold-labeled, Optically Read, Rapid Immunoassay |
| RFA | Retarding Field Analyzer |
| PHBTD | (number)projected-hartree-bogolyubov Tamm-dancoff(quantum Method) |
| RAP | Receptor-associated Protein |
| PQC | Piezoelectric Quartz Crystal |
| AEGIS | ATM European Group For Improvement Of Scenarios |
| MTOF | Mass Time-Of-Flight |
| AMWA | American Metropolitan Water Association |
| SV | Space Velocity |
| OAR | Office Of Air And Radiation (USEPA) |