having a chromosome number that is less than the diploid number.
a hypoploid cell or organism.
Origin of hypoploid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
having or designating a chromosome number that is less than a multiple of the haploid number
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
Having a chromosome number that is one or more lower than the normal haploid number of chromosomes characteristic for the species.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.