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reduction division

noun Biology.
  1. the first division of meiosis in which the number of chromosomes is reduced to half the original number.
  2. meiosis.
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Origin of reduction division

First recorded in 1890–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for reduction division

reduction division

noun
  1. another name for meiosis
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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

reduction division in Medicine

reduction division

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