| Acronym | Meaning |
| BTV | Breakthrough Volume (sorption Capacity Measurement) |
| BCAA | Branched-chain Amino Acids |
| FCC | Flat Collect Circuit (in Solar Cell Array For Spacecraft) |
| NGL | Natural Gas Liquid (usually Ethane Or Propane) |
| CSAMT | Controlled-source Audio-magnetotelluric Technique |
| CME | Chemically Modified Electrode |
| IMS | Incomplete Model Space (in Many-body Calcns.) |
| RIM | Reaction-injection Molding |
| AC | Alternating Current |
| GC | Gas Chromatography |