| Acronym | Meaning |
| ACEEE | American Council For An Energy Efficient Economy |
| DFAA | Dissolved Free Amino Acids |
| GERM | Geochem. Earth Ref. Model |
| RFD | Reference Dose |
| STO | Slater-type Orbital |
| TERA | Toxicology Excellence For Risk Assessment |
| ACC | American College Of Cardiology |
| CDP | Cytidine 5'-diphosphate |
| LUC | Large Unit Cell Semiempirical Approxn. (for Band Structure) |
| NEE | Net Ecosystem Exchange |