| Acronym | Meaning |
| PFTNA | Pulsed Fast Thermal Neutron Analysis |
| AUC | Area Under The Curve |
| IXS | International XAFS Society |
| SAMSON | Severe Accident Management System Online Network |
| FPPC | Float Program Planning Committee |
| SUMO | Small Ubiquitin-related Modifier |
| BSSE | Basis-set Superposition Error |
| AIN | American Institute Of Nutrition |
| BCC | Body Centered Cubic |
| SWNT | Single-wall Nanotube |