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单词 dicotyledon
释义

WordReference Random House Unabridged Dictionary of American English © 2024
di•cot•y•le•don  (dī kot′l ēdn, dī′kot l-),USA pronunciation n. [Bot.]
  1. Botanyany angiospermous plant of the class (or subclass) Dicotyledoneae, producing seeds with two cotyledons and having an exogenous manner of growth. Cf. monocotyledon.
  • Neo-Latin Dicotyledones a pre-Linnean grouping of such plants. See di-1, cotyledon
  • 1720–30

Collins Concise English Dictionary © HarperCollins Publishers::
dicotyledon /daɪˌkɒtɪˈliːdən ˌdaɪkɒt-/ n
  1. any flowering plant of the class Dicotyledonae, normally having two embryonic seed leaves and leaves with netlike veins. The group includes many herbaceous plants and most families of trees and shrubs

ˌdicotyˈledonous adj
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