| Acronym | Meaning |
| PIES | Penning Ionization Electron Spectroscopy |
| IMG | Interferometric Monitor For Greenhouse Gases |
| MR-ACPF | Multireference-averaged Coupled Pair Functional |
| CCMC-T2 | Coupled-cluster Multiconfigurational (double-excitation Method With Cluster Operator Approximated By T2) |
| SITE | Superfund Innovative Technology Evaluation |
| THEES | Total Human Environmental Exposure Study |
| DIPPR | Design Institute For Physical Property Data |
| LCGTO-DF | Linear Combination Of Gaussian Type Orbitals-density Functional |
| FRAP | Fluorescence Recovery After Photobleaching |
| NMOC | Nonmethane Organic Compound(s) |