parthenogenesis [par-thuh -noh-jen -uh -sis] EXAMPLES | WORD ORIGIN
noun Biology development of an egg without fertilization.
Related forms par·the·no·ge·net·ic [pahr-thuh -noh-juh -net -ik] /ˌpɑr θə noʊ dʒəˈnɛt ɪk/ adjective par·the·no·ge·net·i·cal·ly , adverb Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for parthenogenesis The same tendency reaches its logical conclusion in the parthenogenesis of insects.
Ferris and Kolliker derive them from parthenogenesis , a mode of genesis of which our world offers no example whatever.
In 1849 Professor Owen, in his treatise on "Parthenogenesis ," put forward another conception.
The only one of these possible modes of reproduction not known to occur in Hydromedusae is parthenogenesis .
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British Dictionary definitions for parthenogenesis noun a type of reproduction, occurring in some insects and flowers, in which the unfertilized ovum develops directly into a new individual
human conception without fertilization by a male; virgin birth
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Derived Forms parthenogenetic (ˌpɑːθɪˌnəʊdʒɪˈnɛtɪk ), adjective parthenogenetically , adverb Word Origin for parthenogenesis C19: from Greek parthenos virgin + genesis birth
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for parthenogenesis n. "reproduction without fertilization," 1849, from Greek parthenos "virgin," of unknown origin, + genesis (see genesis ). Related: Parthenogenetic .
Online Etymology Dictionary, © 2010 Douglas Harper
Medicine definitions for parthenogenesis
parthenogenesis [pär′thə-nō-jĕn′ ĭ-sĭs]
n. A form of reproduction in which an unfertilized egg develops into a new individual, occurring commonly among insects and certain other arthropods.
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Related forms par′the•no•ge•net′ ic (-jə-nĕt′ ĭk ) adj. The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for parthenogenesis Reproduction in which an egg develops into a new individual without being fertilized. Aphids and certain other insects can reproduce by parthenogenesis. Parthenogenesis does not necessarily produce clones of the parent. Among hymenopterans such as honeybees and ants, the haploid males develop from unfertilized eggs laid by the queen, who is diploid. Parthenogenesis is a form of apomixis.
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Related forms parthenogenetic adjective (pär′thə-nō-jə-nĕt′ ĭk ) The American Heritage® Science Dictionary
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