| Acronym | Meaning |
| FQO | Forced Quantum Oscillator Method |
| ICD | Induced Circular Dichroism |
| CNIDR | Clearinghouse For Networked Information Discovery And Retrieval |
| MCH | Melanin Concentrating Hormone |
| IAT | Island Arc Tholeiite |
| NIGET | Neutron-induced Gamma-ray Emission Tomography |
| STO | Slater-type Orbital |
| UVPES | Ultraviolet Photoelectron Spectroscopy |
| HCS | Heliospheric Current Sheet |
| RFE | Recursive Feature Elimination |