| Acronym | Meaning |
| EGRET | Energetic Gamma-Ray Experiment Telescope |
| PATH | Port Authority Trans-Hudson |
| LTI | Linear Time-Invariant |
| ICSI | Intracytoplasmic Sperm Injection |
| IBM | International Business Machines |
| MDW | Chicago Midway International Airport In Chicago |
| PDA | Personal Digital Assistant - Predicted Drift Angle - Public Display Of Affection - Push-Down Automaton |
| PLW | Palau (ISO 3166 Trigram) |
| TGV | Tanjong Golden Village - Test Generation With Verification - Train ? Grande Vitesse (French For High-Speed Train) |
| DVD | Digital Versatile Disk (was Digital Video Disk) |