| Acronym | Meaning |
| FSQ | Full-spectrum Quantitation |
| 2PPE | Two-photon Photoemission |
| AMIP | Atmospheric Model Intercomparison Project |
| ICF-CI | Interacting Correlated Fragment-CI (wave Function) (see Also SA-MCSCF) |
| OSSE | Oriented Scintillation Spectrometer Experiment |
| MMEF | Maximum Mid-expiratory Flow (lung Function) |
| GTCP | Global Tropospheric Chemistry Program |
| SRCCSDT | Single-reference Coupled-cluster (with) Single (and) Double (and) Triple (excitations) |
| AALA | American Association For Laboratory Accreditation |
| CN | Cellulose Nitrate |