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Definition of "dicotyledon" [di•cot•y•le•don]

  • A flowering plant with two embryonic seed leaves or cotyledons that usually appear at germination. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "dicotyledon" in a sentence
  • ""cotyledon" and "dicotyledon" -- I should not have been surprised; but they blundered over the ordinary English, and had next to no sense of the meaning of punctuation."
  • "In the Border Ranges, approximately 140 dicotyledon genera are Gondwanan in origin, including rain forest genera (Nothofagus, Ceratopetalum, Akania) and non-rainforest genera such as Cassinia, Bauera, Hibbertia, and Leucopogon."
  • "One of these determinables is number of cotyledons under which fall the determinates acotyledon, monocotyledon, and dicotyledon."