| Acronym | Meaning |
| APD | Avalanche Photodiode |
| RDE | Rotating Disk Electrode |
| NCTR | National Center For Toxicological Research |
| SARA | Saturates |
| SMCL | Secondary Maximum Contaminant Level |
| CEPA | Correlated Electron Pair Approxn. |
| LARVA | Light-absorption Ratio Variation Approach |
| SPARC | Stratospheric Processes And Their Role In Climate |
| ER | Endoplasmic Reticulum |
| IAS | Inelastic Atom Scattering |