| Acronym | Meaning |
| PSLC | Polymer-stabilized Liquid Crystal |
| ITT | Impact Transition Temperature |
| ESPS | Electrode-separated Piezoelectric Sensor |
| FEESP | Field-emitted Electron Spin-polarization |
| OB/OD | Open Burn/open Detonation |
| CSHO | Compliance Safety & Health Officer |
| TCSCF | Two-configuration Self-consistent Field Procedure |
| DIHEN | Direct Injection High Efficiency Nebulizer |
| HDF | Halogenated Dibenzofuran(s) |
| REA | Reactive Arthritis |