| Acronym | Meaning |
| OEIC | Optoelectronic Integrated Circuit |
| IEH | Intermediate Effective Hamiltonian |
| I AND C | Instrumentation And Control |
| SBTT | Small Business Technology Transfer |
| PONA | Paraffins, Olefins, Naphthalenes, And Aromatics (in Petroleum Analysis) |
| HAZW | Hazardous Waste Collection Database (accessible Through OLS) |
| FSOT | Fused Silica Open Tubular |
| FAS | Flame Absorption Spectroscopy |
| FEP | Free Energy Perturbation |
| DOR | Delta Opioid Receptor |