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English definition of “stratum”

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stratum

noun [C] uk   /ˈstrɑː.təm/ us    /ˈstræ.t̬əm/ ( plural strata /ˈstrɑː.tə/  /ˈstræ.t̬ə/)
one of the parts or layers into which something is separated: The report shows that drugs have penetrated every stratum of American society. specialized geology a layer of rock, soil, or similar material: The cliffs are characterized by remarkable zigzagging strata of shale and sandstone.
Translations of “stratum”
in Chinese (Traditional) 部分, 層, 階層…
in Chinese (Simplified) 部分, 层, 阶层…
(Definition of stratum from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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