| Acronym | Meaning |
| LOCOS | Local Oxidation Of Silicon |
| ASIP | Aircraft Structural Integrity Program |
| SSQM | Supersymmetric Quantum Mechanics |
| PKS | Polyketide Synthase |
| ABR | Anaerobic Baffled Reactor (for Wastewater Treatment) |
| OTE | Oxygen Transfer Efficiency (of Aeration Diffusers) |
| IMP | Inosine 5'-phosphate |
| SMSA | Soft-core Mean Spherical Approxn. |
| SXNO | Singly Excited Natural Orbital |
| MOLIERE (V5) | Microwave Observation LIne Estn. And Retrieval |