| Acronym | Meaning |
| CERPIES | Collision Energy Resolved Penning Ionization Electron Spectra |
| CFE | Colony-forming Efficiency |
| INCH | Indirectly-bonded Carbon-hydrogen Shift Correlation |
| ISV | Initial Settling Velocity |
| TEDS | Timed Exposure Diffusive Sampler (for Air Pollution) |
| CALCOFI | California Cooperative Oceanic Fisheries Investigations |
| MIAR | Mass Isotopomer Abundance Ratio |
| MR-CI-PS | Multireference-CI-perturbatively Selected |
| PDM3.1 | Probabilistic Dilution Model Version 3.1 |
| ECMRA | European Chemical Market Research Association |