| Acronym | Meaning |
| ASSIST | Abstract Semi-Markov Specification Interface To The SURE Tool [propulsion] |
| ENCS | Existing And New Chemical Substances |
| PEDS | Plasma-enhanced Deposition System |
| OVFF | Orbital Valence Force Field |
| MBIE | Mixed-bed Ion Exchange |
| AS | Air Stripping |
| VRLA | Valve-regulated Lead-acid (batteries) |
| MAMU | Mobile (ambient) Air Monitoring Unit (Canada) |
| FEA | Finite-element Analysis |
| LGM | Linearized Green-function Method (for Electronic-structure) |