| Acronym | Meaning |
| SBCPA | Single-bond Coherent Potential Approximation |
| SET | Single Electron Transfer |
| ACHMM | Academy Of Certified Hazardous Materials Managers |
| TIME | Transferred Ionized Molten Energy Process (for Metal Arc Welding) |
| POY | Partially Oriented Yarn (usually Synthetics |
| MAR | Matrix Attachment Region |
| MIMIC | Micromolding In Capillaries |
| AFA | Average Fock Approxn. |
| WWEMA | Waste And Wastewater Equipment Manufacturers Association |
| MNDOC | Modified Neglect Of Diatomic Overlap Correlated |