| Acronym | Meaning |
| CQZ | Constrained Quartet Zeta (basis Set) |
| RAPD | Randomly Amplified Polymorphic DNA |
| FARM | Fixed-angle Reactor Model (in Quantum Calcns. On Reactive Scattering) |
| PAZ | Partial Annealing Zone (fission-track) |
| RTDM | Rough Terrain Dispersion Model (air Quality) |
| HPCPC | High Performance Centrifugal Partition Chromatography |
| BPSG | Borophosphosilicate Glass |
| CFBR | Conventional Fluidized Bed Reactor |
| AIDE | Annie Interactive Development Environment |
| IFRTS | Internal-floating-roof Tanks |