| Acronym | Meaning |
| TRAP | Tartrate-resistant Acid Phosphatase |
| GMCC | Geophysical Monitoring For Climate Change |
| VEDW IOS | Vibrational Exponential-distorted-wave Infinite-order-sudden (method For Inelastic Mol. Collisions Calcn.) |
| OTIS | Oklahoma Telecommunications Interlibrary System |
| BPR | Bromopyrogallol Red |
| HIT | Heterojunction With Intrinsic Thin Layer (photovoltaic Cell; Solar Cell) |
| MAAC | Maximum Ambient Air Concentration |
| HTTP | Hypertext Transfer Protocol |
| MISPE | Molecularly Imprinted Solid Phase Extraction |
| LAK | Lymphokine Activated Killer |