| Acronym | Meaning |
| OTE | Oxygen Transfer Efficiency (of Aeration Diffusers) |
| SNDA | Supplemental New Drug Application |
| CHW | Coherent Hole Wave (quantum Excitations In Solids) |
| ACES | Annual Cycle Energy Storage System |
| UTS | Ultimate Tensile Strength |
| FVEH | Fragment Valence Effective Hamiltonian (in Electronic-structure Calcns. On Mol. Fragments) |
| BIIR | Brominated Isobutene-isoprene Rubber |
| NIPDWR | National Interim Primary Drinking Water Regulations |
| CNDO LHP | Complete Neglect Of Differential Overlap Longet-Higgins-Pople |
| BIRD | Bilinear Rotation Decoupling |