| Acronym | Meaning |
| HIT | Hazard Information Transmission |
| CFR | Code Of Federal Regulations |
| NRAO | National Radio Astronomy Observatory |
| ARDS | Acute Respiratory Distress Syndrome |
| WPO | Wet Peroxide Oxidation [wastewater Treatment] |
| GDR | Giant Dipole Resonance |
| SWRO | Seawater Reverse Osmosis |
| GOPW | Gaussian Orthogonalized Plane Wave |
| CEACAM1 | Carcinoembryonic Antigen Cell Adhesion Molecule 1 |
| CPESA | Coincidence-enhanced Proton Elastic Scattering Analysis |