| Acronym | Meaning |
| IGFET | Insulated Gate Field Effect Transistor |
| TPMB | Two-potential-modified Born (approxn. In Inelastic Collisions) |
| CPC | Compound Parabolic Concentrator (for Solar Collectors And Solar Cells) |
| LORG | Localized Orbital-local Origin |
| NGL | Natural Gas Liquid (usually Ethane Or Propane) |
| ESCOMPTE | (Experience Sur Site Pour Contraindre Les Modeles De Pollution Atmospherique Et De Transport D'emissions) |
| TZP | Tetragonal Zirconia Polycrystal |
| ECP | Effective Core Potential Approxn.(in Electronic-structure Calcn.) |
| THC | Total Hydrocarbon |
| PFDT | Partial Flow Dilution Tunnel |