| Acronym | Meaning |
| ITRI | Inhalation Toxicology Research Institute |
| INCI | International Nomenclature Cosmetic Ingredient |
| BA + P | Best Atom + Polarization Function |
| ACT | Alternative Control Technique |
| FOCI | First-order Configuration Interaction |
| ACERC | Advanced Combustion Engineering Research Center |
| PFU | Plaque-forming Units |
| DASCO | Discriminant Analysis With Shrunken Covariances |
| RTH | Resistance To Thyroid Hormone |
| NORS | National Organics Reconnaissance Survey (US EPA 1974-1975) |