parthenogenesis [par-th uh-noh- jen- uh-sis] EXAMPLES | WORD ORIGIN noun . Biology development of an egg without fertilization. Related forms par·the·no·ge·net·ic , [pahr-th uh-noh-j uh- net-ik] /ˌpɑr θə noʊ dʒəˈnɛt ɪk/ adjective par·the·no·ge·net·i·cal·ly, adverb
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for parthenogenesis Historical Examples of parthenogenesis 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 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
parthenogenesis in Medicine 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. 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.
parthenogenesis in Science 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. Related forms parthenogenetic adjective ( pär′thə-nō-jə-nĕt) ′ĭk
The American Heritage® Science Dictionary
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