| Acronym | Meaning |
| ORI | Octane Requirement Increase |
| EIL | Electron Induced Luminescence |
| EGFP | Enhanced Green Fluorescent Protein |
| RFCCU | Residue Fluid Catalytic Cracking Unit |
| SHBG | Sex Hormone-binding Globulin |
| HRAC | Herbicide Resistance Action Committee |
| PGE | Platinum Group Elements |
| EBB | Electronic Bulletin Board |
| ALCOM | Advanced Liquid Crystalline Optical Materials |
| STMCTDHF | Spin-tensor Multiconfigurational Time-dependent Hartree-Fock |