noun Biology.
  1. reproduction characterized by the alternation of a sexual generation and a generation that reproduces asexually; alternation of generations.

Origin of metagenesis

First recorded in 1885–90; meta- + genesis
Related formsmet·a·ge·net·ic [met-uh-juh-net-ik] /ˌmɛt ə dʒəˈnɛt ɪk/, met·a·gen·ic, adjectivemet·a·ge·net·i·cal·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for metagenesis

Historical Examples of metagenesis

British Dictionary definitions for metagenesis


  1. another name for alternation of generations
Derived Formsmetagenetic (ˌmɛtədʒɪˈnɛtɪk) or metagenic, adjectivemetagenetically, adverb
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

metagenesis in Medicine


  1. alternation of generations
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.