| Acronym | Meaning |
| ET | Evapotranspiration |
| CCR | California Code Of Regulations |
| VCO | Voltage-controlled Oscillation |
| JONSWAP | Joint North Sea Wave Project |
| MIMSA | Minority Institutions In Marine Sciences Association |
| IAEA | International Atomic Energy Agency |
| MELTER | Mesosphere/ Lower Thermosphere Explorer |
| TIAA | Teachers Insurance And Annuity Association |
| WMC | World Meteorological Center(s) |
| LAS | LAGEOS Apogee Stage |