| Acronym | Meaning |
| PTI | Positive Thermal Ionization (for Mass Spectrometry) |
| APRR | Adiabatic Passage Rotational-resonance |
| AEROCE | Atmosphere-Ocean Chemistry Experiment |
| AAT | Aspartate Aminotransferase |
| IAP | Inhibitor Of Apoptosis |
| EA | Environmental Assessment |
| ATF | Activating Transcription Factor |
| EAC | Ehrlich Ascites Carcinoma |
| SINK | Saturation Internuclear Kinetics |
| ASTM | American Society For Testing And Materials |