| Acronym | Meaning |
| FACE | Forests Absorbing Carbon Dioxide Emission |
| HBT | Heterojunction Bipolar Transistor |
| SCP-IOS | Semiclassical Perturbation-infinite Order Sudden |
| NDPD | National Data Processing Division |
| SABRE | Sweden And Britain Radar Experiment |
| CNDO/SWW | Complete Neglect Of Differential Overlap/ Sichel-Whitehead-Wratten Parametrization |
| FTP | US Federal Test Procedure (for Exhaust Catalysts) |
| LPLC | Lift Plus Lift Cruise |
| PPD | Purified Protein Derivative |
| PRINS | Primed In Situ DNA Synthesis |