| Acronym | Meaning |
| HHMI | Howard Hughes Medical Institute |
| DTGF | Double-time Green Function |
| APR | Air-Purifying Respirator |
| EOTC | European Organization For Testing And Certification |
| HAISP | High Altitude Interactive Science Platform |
| RFP | Reasonable Further Progress |
| SODW | Second-order Distorted Wave (in Electron-atom Scattering) |
| UFL | Upper Flammable Limit |
| SMG | Submandibular Gland |
| DBDPO | Decabromodiphenyl Oxide |