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dicotyledon

[ dahy-kot-l-eed-n, dahy-kot-l- ]

noun

, Botany.
  1. any angiospermous plant of the class (or subclass) Dicotyledoneae, producing seeds with two cotyledons and having an exogenous manner of growth.


dicotyledon

/ daɪˌkɒtɪˈliːdən; ˌdaɪkɒt- /

noun

  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
  2. primitive dicotyledon . any living relative of early angiosperms that branched off before the evolution of monocotyledons and eudicotyledons. The group comprises about 5 per cent of the world's plants
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


dicotyledon

/ dī′kŏt′l-ēdn /

  1. An angiosperm that is not a monocotyledon, having two cotyledons in the seed. The term dicotyledon serves as a convenient label for the eudicotyledons, the magnoliids, and a varied group of other angiosperms, but it does not correspond to a single taxonomic group.
  2. Compare monocotyledonSee more at eudicotyledon


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Derived Forms

  • ˌdicotyˈledonous, adjective
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Word History and Origins

Origin of dicotyledon1

First recorded in 1720–30, dicotyledon is from the New Latin word Dicotyledones a pre-Linnean grouping of such plants. See di- 1, cotyledon
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Compare Meanings

How does dicotyledon compare to similar and commonly confused words? Explore the most common comparisons:

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Example Sentences

I will describe as examples the reproduction of a moss, a fern, and a dicotyledon.

A primrose by the river's brim a dicotyledon was to him, and it was nothing more.

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