diploid
Americanadjective
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double; twofold.
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Biology. having two similar complements of chromosomes.
noun
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Biology. an organism or cell having double the basic haploid number of chromosomes.
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Crystallography. a solid belonging to the isometric system and having 24 trapezoidal planes.
adjective
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biology (of cells or organisms) having pairs of homologous chromosomes so that twice the haploid number is present
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double or twofold
noun
Other Word Forms
Etymology
Origin of diploid
Vocabulary lists containing diploid
Cell Biology - Middle School
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Genetics - Middle School
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Cell Biology - High School
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
After accounting for the unusual evolutionary history of the aculeate Hymenoptera, the researchers found that haplodiploid insects outside that group developed eusociality at rates similar to those seen in diploid insects.
From Science Daily ● Aug. 15, 2026
At the same time, the findings challenge previous models that proposed additional diploid progenitor species.
From Science Daily ● Jun. 19, 2026
To pinpoint the protective trait, researchers crossed Calcutta 4 with susceptible bananas from another diploid subspecies.
From Science Daily ● Feb. 19, 2026
And diploid crops tend to have fewer genes associated with a single trait, which makes breeding them to emphasize that trait much simpler.
From Salon ● Nov. 9, 2023
Every sexual differentiation in organisms, which occurred in the course of phylogenetic development, was followed by fertilisation and therefore by the creation of a diploid or double-chromosome product.
From Darwin and Modern Science by A. C. (Albert Charles) Seward
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
