| Acronym | Meaning |
| KKR-GF | Korringa-Kohn-Rostoker-Green Function |
| RIFM | Research Institute For Fragrance Materials |
| LACO | Linearized Atomic Cell Orbital (in Energy-band Calcn.) |
| PGR | Plant Growth Regulator |
| RAPID | Ruggedized Advanced Pathogen Identification Device |
| IPS | Inverse Photoemission Spectroscopy |
| IOC | Intergovernmental Oceanographic Commission |
| RPC | Regional Planning Commission |
| SSQW | Strained Single Quantum Well |
| CBOX | Coulomb-Born With No Exchange |