| Acronym | Meaning |
| LCD | Liquid Crystal Display |
| NAIP | Non-Apatite Inorganic Phosphorus |
| GPUCHF | Geometric Perturbed Uncoupled Hartree-Fock Method |
| PORG | Photochemical Oxidants Review Group |
| ZOLZ | Zero Order Laue Zone |
| EEM | Elastic Emission Machining |
| VCC | Variable Curvature Coordinates (in Calcns. On Mol. Vibrations) |
| NOHS | National Occupational Hazard Survey |
| EFTA | European Free Trade Association |
| LWIR | Long Wavelength IR |