| Acronym | Meaning |
| NPOESS | National Polar Orbiting Environmental Satellite System |
| MR-SAC | Multireference Symmetry-adapted-cluster (quantum Theory Or Wave Function For Mol. Calcns.) |
| EMBO | European Molecular Biology Organization |
| SPIPES | Spin Polarized Inverse Photoemission Spectroscopy |
| ALS | Acid Labile Subunit |
| GSC | Geological Survey Of Canada |
| PARC | Polycyclic Aromatic Ring Cleavage |
| WTRXLPE | Water-tree Retardant Crosslinked Polyethylene [elec. Insulation] |
| MCR | Max. Continuous Rating |
| GMAW | Gas Metal Arc Welding |