| 释义 |
funnel cloud
funnel cloudn. A funnel-shaped cloud descending from a larger cloud, especially from a wall cloud, caused by the sudden condensation of water in the extreme low pressure of rapidly rotating air, as typically occurs in a tornado.funnel cloud n (Physical Geography) a whirling column of cloud extending downwards from the base of a cumulonimbus cloud: part of a waterspout or tornado fun′nel cloud`
n. a rapidly rotating funnel-shaped cloud extending downward from the base of a cumulonimbus cloud, which, if it touches the surface of the earth, is a tornado or waterspout. Translationsfunnel cloud
funnel cloud[′fən·əl ‚klau̇d] (meteorology) The popular term for the tornado cloud, often shaped like a funnel with the small end nearest the ground. funnel cloudA tornado, or vortex cloud, extending downward from the parent cloud but not reaching the ground.AcronymsSeeFC |