| Acronym | Meaning |
| TCLE | Thermal Coefficient Of Linear Expansion |
| TDSHF | Time-dependent Screened Hartree-Fock |
| SMA | Spinal Muscular Atrophy |
| BLISS | Balloon-borne Laser In Situ Sensor |
| DLOS | Deep-level Optical Spectroscopy |
| NEE | Net Ecosystem Exchange |
| APDC | Ammonium Pyrrolydinedithiocarbamate |
| EMA | Effective Mass Approxn. (for Impurity Energy Levels) |
| PPA | Pollution Prevention Act (of 1990) |
| BMEP | Brake Mean Effective Pressure |