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English definition of “stratus”

stratus

noun [U]     /ˈstreɪ.təs/ US  /ˈstreɪ.t̬əs/ specialized
a type of flat, grey cloud found at the lowest level, below all other cloud types, and causing dull weather or light rain → Compare cirrus, cumulus, nimbusClouds, dew, fog and steam
(Definition of stratus noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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