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[am-fuh-mik-sis] /ˌæm fəˈmɪk sɪs/
noun, plural amphimixes
[am-fuh-mik-seez] /ˌæm fəˈmɪk siz/ (Show IPA)
Biology. the merging of the nuclei of the sperm and egg cells; sexual reproduction.
Psychoanalysis. the combining of anal and genital eroticism in the development of sexuality.
Origin of amphimixis
1890-95; amphi- + Greek míxis a mingling, equivalent to mig- (stem of mígnynai to mix) + -sis -sis
Related forms
[am-fuh-mik-tik] /ˌæm fəˈmɪk tɪk/ (Show IPA),
amphimictically, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for amphimixis
Historical Examples
  • amphimixis: the mingling of the germ plasm of two individuals.

  • When a fresh nucleus has been thus formed (by amphimixis) in each of the copulating cells, they again separate.

    The Wonders of Life Ernst Haeckel
  • amphimixis, as we have seen, is one of the most potent forces against which the evolution of a new species has to contend.

    Parallel Paths Thomas William Rolleston
British Dictionary definitions for amphimixis


noun (pl) -mixes (-ˈmɪksiːz)
true sexual reproduction by the fusion of gametes from two organisms Compare apomixis
Derived Forms
amphimictic, adjective
Word Origin
C19: from amphi- + Greek mixis a blending, from mignunai to mingle
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
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amphimixis in Medicine

amphimixis am·phi·mix·is (ām'fə-mĭk'sĭs)
The union of the sperm and egg in sexual reproduction.

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