| Acronym | Meaning |
| RAFA | Rank Annihilation Factor Analysis |
| MRSD-CI+D | MRSD-CI (with) Davidson Correction |
| WSC | Water Soluble Carbodiimide |
| TDO | Truncated Diatomic Orbital (a MO) |
| FAEC | Factor Analysis With Equilibrium Constraints |
| DSP | Densified With Small Particles |
| NGL | Natural Gas Liquid (usually Ethane Or Propane) |
| CATS | Corrective Action Tracking System |
| LINEAR | Lincoln Near Earth Asteroid Research |
| ANSI | American National Standards Institute |