| Acronym | Meaning |
| ABO | Adiabatic Born-Oppenheimer (wave Functions) |
| PCA | Procoagulant Activity |
| TEDOR | Transferred Echo Double Resonance |
| TST | Transition State Theory |
| NPRA | National Petroleum Refiners Association |
| BSI | British Standards Institute |
| APPI | Atmospheric Pressure Photoionization |
| STLC | Soluble Threshold Limit Concentration |
| ANSIG | Assignment Of NMR Spectra By Interactive Graphics |
| GLP | Great Lakes Precipitation |