| Acronym | Meaning |
| LMHEMT | Lattice Matched High Electron Mobility Transistor |
| SARM | Synthetic Analytical Reference Matrix (US EPA) |
| HCN | US Historical Climatology Network |
| RNA | Ribonucleic Acid |
| NPC | Nuclear Pore Complex |
| ADPIC | Atmospheric Dispersion Particle-in-Cell |
| IND | Investigational New Drug |
| CFHH | Correlation-function Hyperspherical Harmonic (method For Calcn. Of Wave Functions) |
| CLEC | Chiral Ligand-exchange Chromatography |
| RSKERL | Robert S. Kerr Environmental Research Laboratory |