| Acronym | Meaning |
| CPSS | Chemist's Personal Software Series |
| VD-RIOS | Vibrational Diabatic-rotational Infinite Order Sudden |
| OSSE | Oriented Scintillation Spectrometer Experiment |
| ASM | Activated-sludge Model |
| MCQDT | Multichannel Quantum Defect Theory |
| IVC | In Vitro Culture |
| SPB | Strong-potential Born (approxn. For At. Collision Calcns.) |
| PEN | Personal Electronic Notebook |
| MOI | Multiplicity Of Infection |
| SEIRA | Surface-enhanced Infrared Absorption |