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English definition of “cumulus”

cumulus

noun [U]     /ˈkjuː.mjʊ.ləs/ specialized
a type of tall , white cloud with a wide , flat base and rounded shape → Compare cirrus, nimbus, stratusClouds, dew, fog and steam
(Definition of cumulus noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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