| Acronym | Meaning |
| SCD | Self-consistent Dipole (approxn.) |
| NMHC | Nonmethane Hydrocarbons |
| SCIA | Semiclassical Impulse Approxn. |
| FIRST | Field-portable Imaging Radiometric Spectrometer Technology |
| NRM | Nuclear Reference Material |
| HSCCC | High-speed Counter-current Chromatography |
| CMC | Coupled Multiconfiguration |
| ARPEFS | Angle-resolved Photoemission Extended Fine Structure |
| PHDF | Polyhalogenated Dibenzofuran(s) |
| PTK | Protein Tyrosine Kinase |