• synonyms


noun Cell Biology.
  1. the doubling of the chromosome number by the union of the haploid sets in the union of gametes.
Show More

Origin of diplosis

< Greek díplōsis a doubling, equivalent to diplō- (see diploma) + -sis -sis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for diplosis

Historical Examples of diplosis

  • The Wheat Midge (Diplosis tritici) is another very mischievous species.

    The Young Collector's Handbook of Ants, Bees, Dragon-flies, Earwigs, Crickets, and Flies

    W. Harcourt Bath

British Dictionary definitions for diplosis


  1. biology the doubling of the haploid number of chromosomes that occurs during fusion of gametes to form a diploid zygote
Show More

Word Origin for diplosis

C20: from Greek diplōsis doubling, from diploun to double, from diploos double
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

diplosis in Medicine


  1. The formation of the diploid number of chromosomes during fertilization by the fusion of the nuclei of two haploid gametes.
Show More
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.