| Acronym | Meaning |
| SNUR | Significant New Use Rule |
| FIRST | Far Infrared And Submillimetre Space Telescope |
| NLDA | Nonlocal Density Approxn. |
| DINP | Diisononyl Phthalate |
| ZERI | Zero Emissions Research Initiative |
| DFDL | Distributed-feedback Dye Laser |
| MLE | Maximum Likelihood Estimate |
| HS-MR-CCSD | Hilbert Space-multireference-coupled Cluster (with) Single (and) Double (excitations) |
| WIMP | Weakly Interacting Massive Particles |
| FRAP | Fluorescence Recovery After Photobleaching |