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English definition of “cotyledon”

cotyledon

noun [C] uk   /ˌkɒt.ɪˈliː.dən/ us    /ˌkɑː.t̬əˈliː-/ specialized
a type of leaf that is part of the developing plant inside a seed and either stores food or grows from the seed to produce foodParts of plants
(Definition of cotyledon from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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