| Acronym | Meaning |
| NPDWR | National Primary Drinking Water Regulations |
| CNDO/F | Complete Neglect Of Differential Overlap/force |
| S/MTD | STOL Maneuvering Technology Demonstrator (program) |
| LEAR | Low Energy Antiproton Ring |
| ILTJ | Iodine-Laser Temperature Jump |
| TIMI | Thrombolysis In Myocardial Infarction |
| GTO | Gaussian-type Orbital |
| ISAW | Interactive Self-avoiding Walk [modeling] |
| ADPV | Adsorptive Differential Pulse Voltammetry |
| OCIS | Optics Classification And Indexing Scheme |