| Acronym | Meaning |
| PSU | Practical Salinity Units |
| NSCF | Non-self-consistent Field |
| EGRET | Energetic Gamma Ray Experiment Telescope |
| FOBT | Fecal Occult Blood Test |
| HAART | Highly Active Antiretroviral Therapy |
| VHDL | Very High Speed Integrated Circuits (VHSIC) Hardware Description Language |
| SLED | Superluminescent Light Emitting Diode |
| DAS | Days After Sowing |
| NSCEP | National Service Center For Environmental Publications |
| LHDC | Lube Hydrocracking Distillate Catalyst |