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cotyledon

noun [C]
 
 
/ˌkɒt.ɪˈliː.dən/ US  /ˌkɑː.t̬əˈliː-/ specialized

Definition

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 noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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