| Acronym | Meaning |
| HSES | Hydrostatic Equilibrium System |
| CCTM | Coupled-channel Transition Matrix (in Atom-surface Scattering) |
| UHPLC | Ultrahigh-pressure Liquid Chromatography |
| ICF | Inertial Confinement Fusion |
| CUS | Coordinatively Unsaturated Site |
| ACTS | Asbestos Contractor Tracking System |
| PBR | Peripheral Benzodiazepine Receptor |
| ORC | Origin Recognition Complex |
| BPC | Bonded-phase Chromatography |
| PDS | Photothermal Deflection Spectroscopy |