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diploid

[dip-loid] /ˈdɪp lɔɪd/
adjective
1.
double; twofold.
2.
Biology. having two similar complements of chromosomes.
noun
3.
Biology. an organism or cell having double the basic haploid number of chromosomes.
4.
Crystallography. a solid belonging to the isometric system and having 24 trapezoidal planes.
Origin
1905-1910
1905-10; dipl(o)- + -oid
Related forms
diploidic, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for diploid
  • Only a small, sequestered breeding stock is allowed to remain diploid.
  • Imagine for example a dominant mutation in a diploid organism which produces the behavior of altruism toward near kin.
  • The number of chromosomes, whether the organism is diploid, the variations in the rate of recombination.
British Dictionary definitions for diploid

diploid

/ˈdɪplɔɪd/
adjective
1.
(biology) (of cells or organisms) having pairs of homologous chromosomes so that twice the haploid number is present
2.
double or twofold
noun
3.
(biology) a diploid cell or organism
Derived Forms
diploidic, adjective
diploidy, 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
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Word Origin and History for diploid
diploid
1908, from Gk. diploos "double" + eidos "form" (see -oid).
Online Etymology Dictionary, © 2010 Douglas Harper
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diploid in Medicine

diploid dip·loid (dĭp'loid')
adj.
Having two sets of chromosomes or double the haploid number of chromosomes in the germ cell, with one member of each chromosome pair derived from the ovum and one from the spermatazoon. The diploid number, 46 in humans, is the normal chromosome complement of an organism's somatic cells. n.
A diploid organism or cell.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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diploid in Science
diploid
  (dĭp'loid')   
Having paired sets of chromosomes in a cell or cell nucleus. In diploid organisms that reproduce sexually, one set of chromosomes is inherited from each parent. The somatic cells of most animals are diploid. Compare haploid. See Note at mitosis.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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