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haploid

[hap-loid] /ˈhæp lɔɪd/
adjective, Also, haploidic
1.
single; simple.
2.
Biology. pertaining to a single set of chromosomes.
noun
3.
Biology. an organism or cell having only one complete set of chromosomes, ordinarily half the normal diploid number.
Origin
1905-1910
1905-10; hapl- + -oid
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for haploid
  • Each egg contains what is called a haploid nucleus, composed of half the chromosomes found in somatic or body cell nuclei.
British Dictionary definitions for haploid

haploid

/ˈhæplɔɪd/
adjective
1.
(esp of gametes) having a single set of unpaired chromosomes
noun
2.
a haploid cell or organism
Compare diploid
Derived Forms
haploidy, noun
Word Origin
C20: from Greek haploeidēs single, from haplous single
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 haploid
adj.

1908, from German haploid (1905), from Greek haplos "single."

Online Etymology Dictionary, © 2010 Douglas Harper
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haploid in Medicine

haploid hap·loid (hāp'loid')
adj.
Having the same number of sets of chromosomes as a germ cell, or half the diploid number of a somatic cell. The haploid number (23 in humans) is the normal chromosome complement of germ cells. n.
A haploid organism or cell.


hap'loi'dy (-loi'dē) n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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haploid in Science
haploid
  (hāp'loid')   
Having a single set of each chromosome in a cell or cell nucleus. In most animals, only the gametes (reproductive cells) are haploid. Compare aneuploid, diploid. See Note at mitosis.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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