| Acronym | Meaning |
| MCC | Microcrystalline Cellulose |
| SIIA | Software & Information Industry Association |
| CIPSO | Configuration Interaction (with) Perturbation (including) Spin-orbit Coupling |
| MBP | Mixed Basis Pseudopotential (method For Electronic-structure) |
| LPLC | Low Pressure Liquid Chromatography |
| RIFS | Reflectometric Interference Spectroscopy |
| IUTOX | International Union Of Toxicology |
| CAER | Community Awareness And Emergency Response |
| HPOTP | High Pressure Oxidizer Turbopump |
| CSA | Coupled-subshell Approxn. (in Calcns. On Inner-shell Ionization Collisions) |