| Acronym | Meaning |
| APIG | Antisymmetrized Product (of) Identical Geminals |
| NCSCI | National Center For Standards And Certification Information |
| ESIC | Earth Science Information Center |
| LMR | Liquid Metal Reactor |
| ARIMAX | Auto Regressive Integrated Moving Average With Exogeneous Input Model |
| EMT | Effective-medium Theory (of Bonding In Metallic Systems) |
| AGGG | Advisory Group On Greenhouse Gases |
| AGP | Antisymmetrized Geminal Product (wave Function) |
| CFSTI | Clearinghouse For Federal Scientific And Technical Information |
| CSHIB | Chemical Safety And Hazard Investigation Board |