| Acronym | Meaning |
| EOD | Engineering Operations Division |
| PMO | Perturbational Molecular Orbital |
| CIV | Critical Ionization Velocity (ionosphere) |
| CGE | Capillary Gel Electrophoresis |
| BOPF | Basic Oxygen Process Furnace |
| 2PH TDA | Two-particle-hole Tamm-Dancoff Approximation (for Closed-shell |
| BWCC | Brillouin-Wigner Coupled-cluster (theory) |
| TMC | Transition Metal Complex |
| NAT | Nitric Acid Trihydrate (polar Stratosphere Cloud Aerosol) |
| AATCC | American Association Of Textile Chemists And Colorists |