| Acronym | Meaning |
| UCCSD | (spin) Unrestricted CCSD |
| RSP | Respirable Suspended Particulates |
| IGF | Irreducible Green Function |
| SCAMPI | Statistical Classification Of Activities Of Molecules For Pharmacophore Identification |
| CRP | Carbon Fiber Reinforced Plastics |
| RMO | Rotated Morse Oscillator (function For Potential Surface) |
| MCPSAG | Marcus-Coltrin-Path Semiclassical Adiabatic Ground-state (transmission Coeffs.) |
| TREF | Temperature Rising Elution Fractionation |
| IMOM | Iterative Method Of Maximum Overlap |
| ORS | Odds Ratios |