| Acronym | Meaning |
| CBR | Cosmic Background Radiation |
| ENDL | Evaluated Nuclear Data Library |
| SIIA | Software & Information Industry Association |
| POA | Peierls-Onsager Approxn. (in Electronic Structure Calcns.) |
| CFME | Carbon Fiber Microelectrode |
| BCOE | Barrels Of Crude Oil Equivalent |
| CMA | Chemical Manufacturers Association |
| DAP | Distributed Array Processor |
| FUGH | FREEON Unitary Group Formulation (of Hartree-Fock Theory) |
| AMAP | Arctic Monitoring And Assessment Program |