| Acronym | Meaning |
| DHS | Double Heterostructure |
| CD-SCSAG | Centrifugal Dominant-small Curvature Semiclassical Adiabatic Ground State (tunneling Approxn.) |
| ELRA | Enzyme-linked Receptor Assay |
| HASI | Huygens Atmospheric Structure Instrument |
| FKN | Field-Koros-Noyes (mechanism) |
| CTPGF | Closed Time Path Green Function (in Many-body Theory) |
| DORIS | Doppler Orbit And Radio Positioning Integration By Satellite |
| HFDA | Hexafluoroisopropylidene-2 |
| SURF III | Synchrotron UV Radiation Facility (at NIST) |
| GDEPT | Gene-directed Enzyme Prodrug Therapy |