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English definition of “tropic”

tropic

noun uk   /ˈtrɒp.ɪk/ us    /ˈtrɑː.pɪk/
[C] one of the two imaginary lines around the Earth at approximately 23.5 degrees north and 23.5 degrees south of the equator the tropics [plural] the hottest area of the Earth, between the Tropic of Cancer and the Tropic of Capricorn: She's a botanist and spent several years researching in the tropics.
(Definition of tropic from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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