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English definition of “triple”

triple

adjective uk   /ˈtrɪp.l̩/ us  
having three parts of the same type, or happening three times: Her trainer is a triple Olympic champion. There's a triple bill of Hitchcock films (= three films) on at the cinema next Sunday. triple sth three times as large as something: The number of one-parent households reached 10.1 million in 2011, nearly triple that of 1981.

triple

verb [I or T] uk   /ˈtrɪp.l̩/ us  
to increase three times in size or amount, or to make something do this: We have tripled our output over the past two years. The workforce has tripled in size since the new factory opened.
(Definition of triple from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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