| Acronym | Meaning |
| OWPE | Office Waste Programs Enforcement |
| RZWQM | Root Zone Water Quality Model |
| SPRI | Solid-phase Reversible Immobilization |
| OELD | Organic Electroluminescent Device |
| RRNA | Ribosomal Ribonucleic Acid |
| PRMO | Partially Restricted Molecular Orbital |
| OTC | Ozone Transport Commission |
| BONUS | Boiling Nuclear Superheat (reactor) |
| SECM | Scanning Electrochemical Microscopy |
| SIC | Std. Industrial Code |