| Acronym | Meaning |
| CC-PV(D,T,Q) | Correlation-consistent Polarized (double, Triple, Or Quadruple)-split Valence Basis Set |
| CDT | Critical Dissolution Time (synthetic Fiber And Polymer Property) |
| GACT | Generally Available Control Technology |
| OER | Oxygen Enhancement Ratio |
| NDA | New Drug Application |
| SC-OFMSW | Separately-collected Organic Fraction Of Municipal Solid Waste |
| GSC | Geological Survey Of Canada |
| ICRH | Ion Cyclotron Resonance Heating |
| ECR | Electron Cyclotron Resonance |
| SRP | Soluble Reactive Phosphorus |