| Acronym | Meaning |
| RPDWR | Revised Primary Drinking Water Regulations |
| ANM | Asymmetric Nuclear Matter |
| EMAS | Eco-Management & Audit Scheme |
| CTFA | Cosmetic, Toiletry And Fragrance Association |
| IDO | Initial Dissolved Oxygen |
| CGRO | Compton Gamma-Ray Observatory |
| 3DWQM | Chesapeake Bay Three Dimensional Time Variable Water Quality Model |
| MRAIRS | Multiple Reflection-absorption Infrared Spectroscopy |
| CHIGFET | Complementary Heterostructure Insulated Gate Field Effect Transistor |
| HEASARC | High Energy Astrophysics Science Archive Research Center |