gymnosperm

gymnosperm
noun Etymology: ultimately from Greek gymnos + sperma seed — more at sperm Date: circa 1838 any of a group of vascular plants that produce naked seeds not enclosed in an ovary, that were formerly considered a class (Gymnospermae) of seed plants, but that are now considered polyphyletic in origin and divided into several extinct divisions and four divisions with surviving members typified by the cycadophytes, conifers, ginkgo, and ephedras — compare angiospermgymnospermous adjectivegymnospermy noun

New Collegiate Dictionary. 2001.

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  • Gymnosperm — Gym no*sperm (j[i^]m n[ o]*sp[ e]rm), n. (Bot.) A plant that bears naked seeds (i. e., seeds not inclosed in an ovary), as the common pine and hemlock. Cf. {Angiosperm}. [1913 Webster] …   The Collaborative International Dictionary of English

  • gymnosperm — 1830, from Fr. gymnosperme and Mod.L. gymnospermus (17c.), lit. naked seed (i.e., not enclosed in an ovary), from GYMNO (Cf. gymno ) + sperma seed (see SPROUT (Cf. sprout)) …   Etymology dictionary

  • gymnosperm — ► NOUN ▪ a plant of a large group that have seeds unprotected by an ovary or fruit, including conifers and cycads. Compare with ANGIOSPERM(Cf. ↑angiosperm). ORIGIN from Greek gumnos naked …   English terms dictionary

  • gymnosperm — [jim′nō spʉrm΄, jim′nəspʉrm΄] n. [ModL gymnospermus < Gr gymnospermos: see GYMNO & SPERM] any of a large division (Pinophyta) of seed plants having the ovules borne on open scales, usually in cones, and usually lacking true vessels in the… …   English World dictionary

  • Gymnosperm — Taxobox name = Gymnosperms fossil range = fossil range|370|0Devonian Recent image width = 150px image caption = White Spruce leaves (needles) regnum = Plantae subdivision ranks = Divisions subdivision = Pinophyta (or Coniferophyta) Conifers… …   Wikipedia

  • gymnosperm — gymnospermism, n. /jim neuh sperrm /, n. Bot. a vascular plant having seeds that are not enclosed in an ovary; a conifer or cycad. Cf. angiosperm. [1820 30; < NL gymnospermae name of type. See GYMNO , SPERM] * * * Any woody plant that reproduces… …   Universalium

  • gymnosperm plant — plikasėklis augalas statusas T sritis augalininkystė apibrėžtis Augalas, priklausantis pušūnų skyriui. atitikmenys: angl. gymnosperm plant rus. голосеменнoе растение …   Žemės ūkio augalų selekcijos ir sėklininkystės terminų žodynas

  • gymnosperm — noun Any plant such as a conifer whose seeds are not enclosed in an ovary …   Wiktionary

  • gymnosperm — gym·no·sperm jim nə .spərm n any of a class or subdivision (Gymnospermae) of woody vascular seed plants (as conifers or cycads) that produce naked seeds not enclosed in an ovary and that in some instances have motile spermatozoids compare… …   Medical dictionary

  • gymnosperm — n. plants whose seeds are exposed (Botany) …   English contemporary dictionary

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