| Acronym | Meaning |
| ACE | Angiotensin-converting Enzyme |
| CTIOSA | Charge-transfer Infinite Order Sudden Approxn. |
| HWTC | Hazardous Waste Treatment Council |
| CGAP | Cancer Genome Anatomy Project |
| MISFET | Metal-insulator-semiconductor Field Effect Transistor |
| PCI | Positive-ion Chemical Ionization (mass Spectrometry) |
| OTS | Office Of Toxic Substances (USEPA) |
| TRNA | Transfer Ribonucleic Acid |
| NCAR | National Center For Atmospheric Research (USA) |
| BTX | Benzene, Toluene, And Xylene |