| Acronym | Meaning |
| ODU | Optical Density Units |
| ASAS | Advanced Solid State Array Spectrometer |
| HPTTD | High-performance Thermophilic Two-phase Digestion |
| PPAD | Parallel-plate Avalanche Detector |
| FZ | Fusion Zone |
| LOPAP | Lonomia Obliqua Prothrombin Activator Protease |
| CCMGA | Core-corrected Modified Glauber Approxn. (for Scattering) |
| ATSDR | Agency For Toxic Substances And Disease Registry |
| GLAS | Geoscience Laser Altimeter System |
| DIR | Diffusion Induced Recrystn. |