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metagenesis

[met-uh-jen-uh-sis]
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noun Biology.
  1. reproduction characterized by the alternation of a sexual generation and a generation that reproduces asexually; alternation of generations.
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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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for metagenesis

Historical Examples

  • There are some species which, having no hydroid or strobila state, mature without alternation of generation (metagenesis).

    The Sea-beach at Ebb-tide

    Augusta Foote Arnold

  • A third way in which metagenesis might originate is through polymorphosis.

  • The term Nurse (German Amme), employed for the asexual generations in metagenesis, may advantageously be dropped altogether.

British Dictionary definitions for metagenesis

metagenesis

noun
  1. another name for alternation of generations
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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

metagenesis

(mĕt′ə-jĕn′ĭ-sĭs)
n.
  1. 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.