| Acronym | Meaning |
| MLCFA | Maximum Likelihood Common Factor Analysis |
| AU | Astronomical Unit |
| TPD | Temperature Programmed Desorption (for Gas Chromatography) |
| MHW MO | Mulliken-Helmholz-Wolfsberg Molecular Orbital |
| CGRP | Calcitonin Gene Related Peptide |
| TIW | Time-independent Wave Packet |
| CK | Creatine Kinase |
| CEH | Cholesteryl Ester Hydrolase |
| EMSL | Environmental Monitoring Systems Laboratory |
| EAM | Embedded Atom Method |