| Acronym | Meaning |
| WAT | White Adipose Tissue |
| TSNA | Tobacco-specific Nitrosamines |
| DRAW | Digital Read After Write |
| LEED | Low-energy Electron Diffraction |
| CAD | Collisionally Activated Dissociation |
| NTO | Natural Transition Orbital Method (for Excited States) |
| TOC | Total Organic Carbon |
| RP | Reinforced Plastics |
| NCAP | Noncriteria Air Pollutants |
| NCCLS | National Committee For Clinical Laboratory Standards |