[zen-uh-jen-uh-sis, zee-nuh-]

noun Biology.

the supposed generation of offspring completely and permanently different from the parent.

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. 2019

British Dictionary definitions for xenogenesis



the supposed production of offspring completely unlike either parent
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

Medicine definitions for xenogenesis


[zĕn′ə-jĕnĭ-sĭs, zē′nə-]


The supposed production of offspring that are markedly different from either parent.
alternation of generations
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.