| Acronym | Meaning |
| PENIS | Proton-enhanced Nuclear Induction Spectroscopy |
| API | Air Pollution Index |
| PSID | Photon Stimulated Ion Desorption |
| IWG | International Working Group |
| PAW | Plasma Arc Welding |
| MARF | Magic Angle In The Rotating Frame |
| SCAF | Self-consistent Anisotropic Field |
| QDIP | Quantum Dot Infrared Photodetector |
| QGP | Quark Gluon Plasma |
| HERL/MIS | Health Effects Research Laboratory Management Information System |