| Acronym | Meaning |
| CWTM | Compound Weaire-Thorpe Model (in Electronic-structure Calcns.) |
| SIC | Std. Industrial Code |
| EAS | Exposure Assessments |
| DRC | Dose Response Curve |
| FOCAL | Francais Ocean Et Climat Dans L'Atlantique Equatorial |
| CSD | Correlated Single Determinant (wave Function) |
| BID | Brinell Indentation Diameter |
| HAZW | Hazardous Waste Collection Database (accessible Through OLS) |
| PSB | Photosynthetic Bacteria |
| AMS | Accelerator Mass Spectrometry Or Spectroscopy |