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English definition of “twentieth”

twentieth

adjective, adverb, noun [C]    /ˈtwen·ti·ɪθ/
(in the position of) the number 20 in a series; 20th: This is our twentieth wedding anniversary. [C] The meeting is on the twentieth of November. A twentieth is one of twenty equal parts of something.
(Definition of twentieth adjective, adverb, noun from the Cambridge Academic Content Dictionary © Cambridge University Press)
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