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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.

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