| Acronym | Meaning |
| PINN | Proposed International Nonproprietary Names (for Drugs) |
| R-GVB | Resonating-generalized Valence Bond (wave Function) |
| WORM | Write Once Read Many |
| PUFA | Polyunsaturated Fatty Acid |
| NFAIS | National Federation Of Abstracting And Information Services |
| DMTA | Dynamic Mechanical Thermal Analysis |
| CCL | Carotenoid-carrying Lipoprotein |
| BHSIP | Bottom-hole Shut-in Pressure |
| TEA | Thermal Energy Analyzer |
| CAIRA | Chemical Accident/incident Response And Assistance |