| Acronym | Meaning |
| ESAD | Electron-stimulated Associative Desorption |
| ACPQ | Approx. Coupled-pair (theory Cor. For Connected) Quadruply (excited Clusters) |
| CPV | Cowpox Virus |
| SEVB | Semiempirical Valence Bond |
| FHCP | Federal Hazard Communication Program |
| GLOMAC | Global Modeling Of Atmospheric Chemistry |
| SCO | Self-consistent Orbital |
| DOSY | Diffusion-ordered Spectroscopy (NMR) |
| CFU | Colony Forming Unit (for Bacteria Counting In Water Disinfection) |
| SIDLTS | Scanning Ion Deep Level Transient Spectroscopy |