• synonyms


[jin-uh-jen-uh-sis, gahy-nuh-, jahy-]
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noun Biology.
  1. a type of reproduction by parthenogenesis that requires stimulation by a sperm to activate the egg into development but occurs without fusion of sperm and egg nuclei.

Origin of gynogenesis

First recorded in 1920–25; gyno- + -genesis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
gynogenesis in Medicine


(gī′nə-jĕnĭ-sĭs, jĭn′ə-)
  1. The development of an embryo that contains only maternal chromosomes because the egg has been activated by sperm without fusion of the egg and sperm nuclei.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.