noun Etymology: New Latin Date: circa 1727 any of a class or subclass (Magnoliopsida or Dicotyledoneae) of angiospermous plants that produce an embryo with two cotyledons and usually have floral organs arranged in cycles of four or five and leaves with reticulate venationcompare monocotyledondicotyledonous adjective

New Collegiate Dictionary. 2001.

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  • dicotyledon — di*cot y*le don (d[ i]*k[o^]t [i^]*l[=e] d[u^]n), n. [Pref. di + cotyledon.] (Bot.) A plant whose seeds divide into two seed lobes, or cotyledons, in germinating. Syn: dicot, dicotyl. [1913 Webster] …   The Collaborative International Dictionary of English

  • dicotyledon — ► NOUN ▪ a plant with an embryo bearing two cotyledons (seed leaves) …   English terms dictionary

  • dicotyledon — [dī΄kät΄ə lēd′ n] n. Bot. any of a class (Magnoliopsida) of angiosperms, as oak trees, legumes, and cactuses, with an embryo containing two cotyledons (seed leaves), characterized by net veined leaves, flower parts in fours or fives, and the… …   English World dictionary

  • dicotyledon — UK [daɪˌkɒtɪˈliːd(ə)n] / US [daɪˌkɑt(ə)lˈɪd(ə)n] noun [countable] Word forms dicotyledon : singular dicotyledon plural dicotyledons biology a plant that produces seeds that develop into two leaves …   English dictionary

  • Dicotyledon — Dicot redirects here. For the band, see Dicot (band). Magnoliopsida (Dicotyledons) Magnolia flower Scientific classification …   Wikipedia

  • dicotyledon — /duy kot l eed n, duy kot l /, n. Bot. any angiospermous plant of the class (or subclass) Dicotyledoneae, producing seeds with two cotyledons and having an exogenous manner of growth. Cf. monocotyledon. [1720 30; < NL Dicotyledones a pre Linnean… …   Universalium

  • dicotyledon — noun a) A plant whose seedling has two cotyledons. b) Any plant in what used to be the Dicotyledones. Syn: dicot, magnoliopsid …   Wiktionary

  • dicotyledon — Plant (shrub, herb, or tree) whose seeds consist of two cotyledons, i.e., the primary or rudimentary leaf of the embryo of seed plants. * * * di·cot·y·le·don (di kot″əl eґdon) [di + cotyledon] a flowering plant with embryos having two… …   Medical dictionary

  • dicotyledon — Synonyms and related words: Angiospermae, Cycadales, Ginkgoales, Gnetales, Monocotyledones, Pinales, amphibian, angiosperm, angiosperms, annual, aquatic plant, biennial, conifers, cosmopolite, cutting, cycads, deciduous plant, dicot, dicotyledons …   Moby Thesaurus

  • dicotyledon — di·cot·y·le·don || ‚daɪkÉ’tɪ liːdÉ™n n. plant with two seed leaves (Botany) …   English contemporary dictionary

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