| Acronym | Meaning |
| HL | Half Life |
| PHIGS | Portable Hierarchical Image And Graphic Standard |
| AES | Atmospheric Environment Service |
| GDS | GeoMet Data Services |
| WORD | Web Outreach Redesign And Development |
| USC-GARP | United States Committee For GARP |
| EMCOM | Environmental Management Career Opportunities For Minorities |
| SLED | Single Large Expensive Disk |
| GMSA | Global Multivariate Statistical Analysis |
| PIXE | Proton Induced X-ray Emission |