| Acronym | Meaning |
| CRS | Controlled Release Society |
| AIJ | Activities Implemented Jointly [related To Greenhouse Gas Control] |
| CDHR | Center For Devices And Radiological Health |
| FP-SCF-INDO | Finite Perturbation-SCF-INDO |
| PPMA | Parts Per Million Atomic |
| PHFS | Perturbative Hartree-Fock-Slater |
| LIFI | Laser-induced Fluorescence Imaging |
| GDO | Generalized Diatomic Orbital |
| RSMC | Regional Specialized Meteorological Centre |
| CCA | Canonical Correspondence Analysis |