| Acronym | Meaning |
| UHFQ | Unrestricted Hartree-Fock With Quartet Annihilation |
| IDDM | Insulin-dependent Diabetes Mellitus |
| NVR | Non-volatile Residue |
| NEBOSH | National Examination Board In Occupational Safety And Health |
| ORNL | Oak Ridge National Laboratory |
| PSOM | Pseudostate Optical Model |
| THCP | Total Hazard Control Plan |
| CCW | Constituent Concentrations In Waste |
| NAPIM | National Association Of Printing Ink Manufacturers (US) |
| DDRP | Direct Delayed Response Program (for Long Term Effects Of Acid Rain) |