| Acronym | Meaning |
| CSRR | Coupled-state Rigid-rotor |
| AATCC | American Association Of Textile Chemists And Colorists |
| DOI | Department Of The Interior |
| CLIMAP | Climate Long-range Investigation Mapping And Prediction |
| ST4CCD | Coupled Cluster (with) Double (substitutions And) Single (and) Triple (substitutions Incorporated Via) Fourth-order (perturbat |
| IAMAP | International Association Of Meteorology And Atmospheric Physics (ICSU) |
| SCE | Semiclassical Exchange Approximation |
| GSJ | Geological Survey Of Japan |
| CIOSC | Combined Intelligence Objectives Sub-Committee |
| HAZWOPER | Hazardous Waste Operations And Emergency Response Regulations |