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English definition of “clay”

clay

noun [U] uk   /kleɪ/ us  
thick, heavy soil that is soft when wet, and hard when dry or baked, used for making bricks and containers
clayey
adjective uk   /ˈkleɪ.i/ us  
containing a lot of clay: clayey soil
(Definition of clay from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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