| Acronym | Meaning |
| CFE | Cold-feed Extrusion |
| IAC | Impregnated Activated Carbon |
| EMT | Effective-medium Theory (of Bonding In Metallic Systems) |
| RMLC | Recommended Maximum Contaminant Level |
| IIRS | Ion Impact Radiation Spectroscopy |
| GDWB | Generalized Distorted-wave Born (approxn. Or Theory) |
| IGOR | Interactive Generation Of Organic Reactions |
| NBRF | National Biomedical Research Foundation |
| LOCA | Loss-of-Coolant Accident |
| DPUMPN | Double-annihilation Procedure Unrestricted Moeller-Plesset Nth-order |