haploid

[hap-loid]
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:
1905–10; hapl- + -oid

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
haploid (ˈhæplɔɪd)
 
adj
1.  (esp of gametes) having a single set of unpaired chromosomes
 
n
2.  a haploid cell or organism
 
[C20: from Greek haploeidēs single, from haplous single]
 
'haploidy
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

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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American Heritage
Science Dictionary
haploid  [%PREMIUM_LINK%]     (hāp'loid')  Pronunciation Key 
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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Example sentences
Each egg contains what is called a haploid nucleus, composed of half the chromosomes found in somatic or body cell nuclei.
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