| Acronym | Meaning |
| RCM | Radiative Convective Model (of Climate) |
| RIR | Relative Inhalation Risk |
| MTJ | Magnetic Tunnel Junction |
| CSAAS | Continuum Source Atomic Absorption Spectrometry |
| GFMT | Green Function Muffin Tin (method In Electronic Structure Study) |
| CS | Configuration Space (in Wave Functions) |
| XRFA | X-ray Fluorescence Analysis |
| CWBA | Coulomb-wave Born Approximation |
| TENR | Technologically Enhanced Natural Radioactivity |
| NBS | Nijmegen Breakage Syndrome |