acotyledon
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Acotyledon — is used to refer to seed plants or spermatophytes that lack cotyledons, such as orchids and dodder. Orchid seeds are tiny with underdeveloped embryos. They depend on mycorrhizal fungi for their early nutrition so are myco heterotrophs at that… … Wikipedia
acotylédon — ⇒ACOTYLÉDON, ONE, adj. et subst. BOT., vx, emploi adj. 1. ,,Privé de cotylédons. (NYSTEN 1814 20). 2. ,,Dont les cotylédons ne sont pas visibles, dans l expr. plantes acotylédones ou inembryonnées. (NYSTEN 1814 20) : • 1. Les champignons, les… … Encyclopédie Universelle
Acotyledon — A*cot y*le don (#; 277), n. [Gr. a priv. + ? anything cup shaped. See {Cotyledon}.] (Bot.) A plant which has no cotyledons, as the dodder and all flowerless plants. [1913 Webster] … The Collaborative International Dictionary of English
acotyledon — [ā΄kät΄ə lēd′ n] n. any plant lacking seed leaves (cotyledons), as dodder … English World dictionary
acotyledon — acotyledonous /ay kot l eed n euhs, ay kot /, adj. /ay kot l eed n, ay kot /, n. a plant without cotyledons, therefore one belonging to a group lower than the seed plants. [1810 20; A 6 + COTYLEDON] * * * … Universalium
acotyledon — [əˌkɒtɪ li:d(ə)n] noun a plant that has no distinct seed leaves. Derivatives acotyledonous adjective Origin C18: from mod. L. plural acotyledones (see a 1, cotyledon) … English new terms dictionary
acotyledon — acot·y·le·don … English syllables
acotyledon — /əkɒtəˈlidən/ (say uhkotuh leeduhn) noun a plant without cotyledons. {a 6 + cotyledon} –acotyledonous /əkɒtəˈlidənəs/ (say uhkotuh leeduhnuhs), adjective …
acotyledon — n. plant without differentiated seed lobes. ♦ acotyledonous, a … Dictionary of difficult words
acotyledon — n. a plant with no distinct seed leaves. Derivatives: acotyledonous adj. Etymology: mod.L acotyledones pl. (as A (1), COTYLEDON) … Useful english dictionary
