| Acronym | Meaning |
| CNTF | Ciliary Neurotrophic Factor |
| CTPGF | Closed Time Path Green Function (in Many-body Theory) |
| PEM | Performance Evaluation Material |
| DPV | Differential-pulse Voltammetry |
| NGWA | National Ground Water Association |
| CDIAC | Carbon Dioxide Information Analysis Center |
| EMIC | Electromagnetic Ion Cyclotron (waves) |
| WSHS | Watershed Hydrologic System |
| CODEX | Centerband-only Detection Of Exchange |
| QWASI | Quantitative Water Air Sediment Interaction |