| Acronym | Meaning |
| CERCLIS | Comprehensive Environmental Response |
| MRA | Magnetic Resonance Angiography |
| HUPO | Human Proteome Organization |
| ICR | Intelligent Optical Character Recognition |
| NOLMOS | Nonorthogonal (strictly) Local Molecular Orbitals |
| CGR | Coliform Growth Response |
| RACER | Research On Antarctic Coastal Ecosystem Rates |
| CIRA | COSPAR International Reference Atmosphere |
| CSCF | Canonical Self-consistent Field |
| CLSM | Confocal Laser Scanning Microscopy |