al·​to·​cu·​mu·​lus | \ ˌal-tō-ˈkyü-myə-ləs How to pronounce altocumulus (audio) \
plural altocumuli\ ˌal-​tō-​ˈkyü-​myə-​ˌlī How to pronounce altocumuli (audio) , -​ˌlē \

Definition of altocumulus

: a fleecy mid-altitude cloud formation consisting of large whitish globular masses with shaded portions — see cloud illustration

Examples of altocumulus in a Sentence

Recent Examples on the Web

Mid-level clouds are usually gray and are identified as either altocumulus, altostratus, or nimbostratus. Catherine Zuckerman, National Geographic, "Clouds, explained," 24 Apr. 2019

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

First Known Use of altocumulus

1881, in the meaning defined above

History and Etymology for altocumulus

New Latin, from Latin altus + New Latin -o- + cumulus

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Last Updated

17 Sep 2019

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Time Traveler for altocumulus

The first known use of altocumulus was in 1881

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authorized for issue (as a bond)

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