| Acronym | Meaning |
| OPTS | Office Of Pesticides And Toxic Substances (USEPA) |
| UNIDO | United Nations Industrial Development Organization |
| COMFA | Comparative Molecular Field Analysis |
| RAPRA | Rubber And Plastics Research Association |
| CCPA | Cemented Carbide Producers Association |
| BHET | Bis(2-hydroxyethyl) Terephthalate |
| RAFT | Reversible Addition-fragmentation Chain Transfer [polymerization] |
| ASKA | Analog Sensitive Kinase Allele |
| PWSB | Plane-wave Second Born |
| AQPS | Air Quality Prediction System |