| Acronym | Meaning |
| PID | Photoionization Detector (gas Chromatography) |
| GRAS | Generally Recognized As Safe |
| SRH | Spin-adapted Reduced Hamiltonian |
| ICC | Interstitial Cells Of Cajal |
| NCCLS | National Committee For Clinical Laboratory Standards |
| SGPT | Serum Glutamic-pyruvic Transaminase |
| GFAAS | Graphite Furnace Atomic Absorption Spectroscopy |
| NCPM | Noncritical Phase-matching |
| MCSF | Macrophage Colony Stimulating Factor |
| ARM | Agricultural Runoff Model |