| Acronym | Meaning |
| CIAQ | Council On Indoor Air Quality |
| IPNSO | Independent-pair Natural Spin Orbital |
| APH | Adiabatically Adjusting |
| HSBOW | Helical Spin Bond-order Wave |
| HERL | Health Effects Research Laboratory |
| EMMA | Electrophoretically-mediated Microanalysis |
| PILC | Pillar Interlayered Clays |
| RIA | Regulatory Impact Analysis |
| MMR | Mismatch Repair |
| LFS | Li-Fraumeni Syndrome |