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xenogenesis

[zen-uh-jen-uh-sis, zee-nuh-]
noun Biology.
  1. heterogenesis(def 1).
  2. the supposed generation of offspring completely and permanently different from the parent.
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Also xe·nog·e·ny [zuh-noj-uh-nee] /zəˈnɒdʒ ə ni/.

Origin of xenogenesis

First recorded in 1865–70; xeno- + -genesis
Related formsxen·o·ge·net·ic [zen-uh-juh-net-ik, zee-nuh-] /ˌzɛn ə dʒəˈnɛt ɪk, ˌzi nə-/, xen·o·gen·ic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for xenogenesis

xenogenesis

noun
  1. the supposed production of offspring completely unlike either parent
  2. another name for abiogenesis, alternation of generations
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Derived Formsxenogenetic (ˌzɛnəʊdʒɪˈnɛtɪk) or xenogenic, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

xenogenesis in Medicine

xenogenesis

(zĕn′ə-jĕnĭ-sĭs, zē′nə-)
n.
  1. The supposed production of offspring that are markedly different from either parent.
  2. alternation of generations
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.