| Acronym | Meaning |
| CHRIS | Chemical Hazards Response Info System |
| CRDS | Chemical Reactions Documentation Service |
| CGA | Compressed Gas Association |
| LPM | Liters Per Minute |
| PGM | Platinum-group Mineral(s) |
| MAMS | Multispectral Atmospheric Mapping Sensor |
| JSMS | Japan Society Of Materials Science |
| GILD | Gas Immersion Laser Doping |
| MBE | Many-body Expansion (in Mol. Potential Energy Surface Calcn.) |
| RPO | Resonant Periodic Orbit (on Potential Energy Surface In At. Or Mol. Scattering) |