| Acronym | Meaning |
| TEL | Tetraethyl Lead |
| AMC | Advanced Molding Compound |
| TLHJ | Triple-layer Heterojunction |
| LMREE | Light-medium Rare Earth Element(s) |
| TEQ | Toxicity Equivalent |
| ABA | Abscisic Acid |
| SIC | Self-interaction Correction (in Exchange-energy Calcns.) |
| FOWL | Fossil Fuel Waste Leaching (computer Program) |
| SPOS | Solid Phase Organic Synthesis |
| FCC | Flight Control Computer |