| Acronym | Meaning |
| FDMS | Field-desorption Mass Spectrometry |
| DWPO | Distorted Wave Polarized Orbital |
| PET | Potential Evapotranspiration |
| PTMG | Polytetramethylene Glycol |
| ECR | Electron Cyclotron Resonance |
| CTC | Charge-transfer Complex |
| WPCP | Water Pollution Control Plant |
| BPAI | Board Of Patent Appeals And Interferences |
| NORS | National Organics Reconnaissance Survey (US EPA 1974-1975) |
| COHSEX | Coulomb-hole (plus) Screened-exchange (approxn. In Band-structure Calcns.) |