| Acronym | Meaning |
| AITP | Affinity Isotachophoresis |
| NMC | New Muon Collaboration |
| NPOESS | National Polar Orbiting Environmental Satellite System |
| ASHRAE | American Society Of Heating |
| WIPP | Waste Isolation Pilot Plant (for Nuclear Wastes) |
| TDDFT | Time-dependent Density-functional Theory |
| APCE | Air Pollution Control Equipment |
| AATB | American Association Of Tissue Banks |
| ITDHO | Improved Time-dependent Harmonic Oscillator |
| PEM | Proton Exchange Membrane |