| Acronym | Meaning |
| IODE | International Oceanographic Data/Information Exchange (IOC) |
| MCRT | Mean Cell Residence Time |
| QAC | Quaternary Ammonium Compound |
| MIDA | Mass Isotopomer Distribution Analysis |
| LHM | Longuet-Higgins-Murrell Approximation |
| AFSEF | AIRS Facility Subsystem Emission Factors |
| VEDW IOS | Vibrational Exponential-distorted-wave Infinite-order-sudden (method For Inelastic Mol. Collisions Calcn.) |
| FGH | Fourier-grid Hamiltonian |
| CIA | Capillary Ion Analysis |
| SAMHSA | Substance Abuse And Mental Health Services Administration |