thundercloud

views updated May 29 2018

thun·der·cloud / ˈ[unvoicedth]əndərˌkloud/ • n. a cumulus cloud with a towering or spreading top, charged with electricity and producing thunder and lightning. ∎  fig. something ominous: mutiny, it was plain, hung over us like a thundercloud.

The Oxford Pocket Dictionary of Current English

thundercloud

views updated May 08 2018

thundercloud Popular term for cumulonimbus, which is associated with thunderstorms.

A Dictionary of Earth Sciences AILSA ALLABY and MICHAEL ALLABY

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