| Acronym | Meaning |
| BRM | Biological Response Modifier |
| HSCR | Hirschsprung Disease |
| CAFNA | Coded Aperture Fast Neutron Analysis |
| GMP | Guanosine 5'-monophosphate |
| AMMA | Acrylonitrile-methyl Methacrylate Copolymer |
| ORSTB | Overlap-reduced Semiempirical Tight-binding |
| SAS | Statistical Anal. System |
| MASER | Microwave Amplification By Stimulated Emission Of Radiation |
| CGA | Compressed Gas Association |
| DMSP | Defense Meteorological Satellite Program |