| Acronym | Meaning |
| HVAC | Heating, Ventilating, Air-conditioning |
| HPAC | High Performance Affinity Chromatography |
| PBPC | Peripheral Blood Progenitor Cell |
| EROS | Earth Resources Observation Satellite |
| ESTEMI | Energy Selected Transmission Electron Microscopy Imaging |
| HEATRT | Heat Rate [EPRI Software] |
| SITE | Superfund Innovative Technology Evaluation |
| SCC | Self-consistent Collective Coordinate (in Reactive Collisions) |
| BAGI | Backscatter Absorption Gas Imaging |
| UIHRS | Upflow Inclined High-rate Settlers |