hy·dro·me·te·or (hī'drō-mē'tē-ər, -ôr') n. A precipitation product, such as rain, snow, fog, or clouds, formed from the condensation of water vapor in the atmosphere.
hydrometeor (hī'drō-mē'tē-ər) Pronunciation Key
Any of various forms of water or ice that occur in the atmosphere or on the Earth's surface as a result of condensation. Rain, snow, fog, clouds, and dew are all hydrometeors.