| Acronym | Meaning |
| TOST | Turbine Oil Stability Test |
| BTCC | Biological Threat Characterization Centerpar |
| DWIA | Distorted-wave Impulse Approximation |
| UCA | Unit Cell Approximation [simulation Method] |
| NERD | Neutron Elastic Recoil Detection |
| UW-PG | Uniformly Weighted Planar Grid (method In Calcns. Of Electron-momentum Distributions) |
| NUR | Nitrate Utilization Rate |
| MCZDO | Many Center Zero Differential Overlap |
| MCR | Mutual Climate Range |
| AU | Astronomical Unit |