hyperploid

[hahy-per-ploid]Biology

adjective

having a chromosome number that is greater than but not a multiple of the diploid number.

noun

a hyperploid cell or organism.

Origin of hyperploid

First recorded in 1925–30; hyper- + -ploid
Related formshy·per·ploid·y, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for hyperploid

hyperploid

adjective

biology having or relating to a chromosome number that exceeds an exact multiple of the haploid number
Derived Formshyperploidy, noun
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

hyperploid in Medicine

hyperploid

[hīpər-ploid′]

adj.

Having a chromosome number greater than but not an exact multiple of the normal euploid number.

n.

An organism having a hyperploid chromosome number.
Related formshyper•ploi′dy n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.