nnoun.state(meteorology) rapid inward circulation of air masses about a low pressure center; circling counterclockwise in the northern hemisphere and clockwise in the southernTopic:meteorology
Antonyms:anticyclone
Derivationally Related Form:cyclonicalcyclonalcyclonic
Hypernyms:atmosphere atmospheric state
Inherited Hypernyms:cycloneatmosphereweatheratmospheric phenomenonphysical phenomenonnatural phenomenonphenomenonprocessphysical entityentity
Part Meronyms:depression low
nnoun.phenomenona violent rotating windstormDerivationally Related Form:cyclonicalcyclonalcyclonic
Hypernyms:windstorm
Inherited Hypernyms:cyclonewindstormstormatmospheric phenomenonphysical phenomenonnatural phenomenonphenomenonprocessphysical entityentity
Direct Hyponyms:hurricanetornadotwistertyphoon
Full Hyponyms:hurricanesupertwistertornadotyphoonwaterspout