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English definition of “cumulonimbus”


noun [U]     /ˌkjuː.mjə.ləʊˈnɪm.bəs/ US  /-loʊˈ-/ specialized
a large, tall type of cumulus cloud that is often dark and brings heavy rain or a thunderstormClouds, dew, fog and steam
(Definition of cumulonimbus noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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