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chalk noun

Click to hear the UK pronunciation of this wordClick to hear the US pronunciation of this word/tʃɔːk//tʃɑːk/ n [C or U]

Definition

a type of soft white rock, or (a stick of) this rock or a similar substance used for writing or drawing

chalky adjective

Click to hear the UK pronunciation of this wordClick to hear the US pronunciation of this word/ˈtʃɔː.ki//ˈtʃɑː-/ adj
The soil in this area is very chalky (= contains chalk).

chalkiness noun

Click to hear the UK pronunciation of this wordClick to hear the US pronunciation of this word/ˈtʃɔː.kɪ.nəs//ˈtʃɑː-/ n [U]

(Definition of chalk noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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