cu·​mu·​lo·​nim·​bus | \ ˈkyü-myə-(ˌ)lō-ˈnim-bəs How to pronounce cumulonimbus (audio) \

Definition of cumulonimbus

: cumulus cloud having a low base and often spread out in the shape of an anvil extending to great heights — see cloud illustration

Examples of cumulonimbus in a Sentence

Recent Examples on the Web The clouds typically form as a result of air turbulence within large cumulonimbus structures. Travis Fedschun, Fox News, 30 Apr. 2020 Cloud nine is a cumulonimbus cloud that can rise to the lofty height of 6.2 miles, as high as a cloud can be. Richard Lederer, San Diego Union-Tribune, 19 Oct. 2019 The eyewall is the band or ring of cumulonimbus clouds that surround the eye of the storm. Molly Rubin, Quartz, 12 July 2019 The dense cumulonimbus clouds threatened thunder and lightning. Denise Coffey,, 28 June 2019 Low clouds fall into four divisions: cumulus, stratus, cumulonimbus, and stratocumulus. Catherine Zuckerman, National Geographic, 24 Apr. 2019 Would cirrus clouds bring the most apparitions, or cumulonimbus? María Gainza, Harper's magazine, 10 May 2019 There was a very tall cloud — probably a cumulonimbus — that was building right along the horizon as the sun was setting. Jason Samenow, Washington Post, 20 June 2018 Towering cumulonimbus clouds made for magical sunsets, and the warm, yellow rays of sunshine generated rainbows that were seen across Northern Virginia and Montgomery County. Angela Fritz, Washington Post, 25 June 2018 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cumulonimbus.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of cumulonimbus

1887, in the meaning defined above

History and Etymology for cumulonimbus

New Latin

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The first known use of cumulonimbus was in 1887

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Cite this Entry

“Cumulonimbus.” Dictionary, Merriam-Webster, Accessed 8 Aug. 2022.

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