| Acronym | Meaning |
| GSMT | Giant Segmented Mirror Telescope |
| NCI | National Cancer Institute |
| CCLGO | Catalytic Cracked Light Gas Oil |
| CKRC | Cement Kiln Recycling Coalition |
| NME | New Molecular Entity |
| ESR | Erythrocyte Sedimentation Rate |
| MET | Multichannel Eikonal Theory (in Atom Electron-impact Excitation) |
| HEL | Human Erythroleukemia |
| ASB | Ambient Stds. Branch [of The US EPA] |
| IVA | Intravehicular Activity (related To Spacecraft) |