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English definition of “thirteen”

thirteen

number     /θɜːˈtiːn/ US  /θɝː-/
A1 the number 13: Some people think that thirteen is an unlucky number. There were twelve or thirteen people waiting at the bus stop.Cardinal numbers, including nought and zero
(Definition of thirteen number from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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