WordNet: cumulonimbus, cumulonimbus cloud, thundercloud
a dark cloud of great vertical extent charged with electricity; associated with thunderstorms
- hypernym cloud
cumulonimbus
- (suomi) Cumulonimbus (synonyymi)
cumulonimbus cloud
- (suomi) kuuropilvi (synonyymi)
thundercloud
- (suomi) ukkospilvi (synonyymi)