| Acronym | Meaning |
| UNESCO | United Nations Educational |
| CMIR | Carter Maximum Incremental Reactivity |
| BWR | Boiling Water Reactor |
| RFA | Renormalized Free Atom (model |
| INPADOC | International Patent Documentation Center |
| MIS 5 | Marine Isotope Substage 5e |
| LLD | Lower Limit Of Detection |
| SBP | Systolic Blood Pressure |
| NIF | National Ignition Facility |
| RBS | Rutherford Backscattering Spectrometry |