Cumulonimbus - definition, pronunciation, transcription

Amer.  |ˌkjuːməloʊˈnɪmbəs|  American pronunciation of the word cumulonimbus
Brit.  |ˌkjuːmjʊləʊˈnɪmbəs|  British pronunciation of the word cumulonimbus

noun

- a dark cloud of great vertical extent charged with electricity; associated with thunderstorms (syn: thundercloud)

Word forms

noun
singular: cumulonimbus
plural: cumulonimbi or cumulonimbuses
See also:  WebsterWiktionaryLongman