aneuploid

adjective

an·​eu·​ploid ˈan-yu̇-ˌploid How to pronounce aneuploid (audio)
: having or being a chromosome number that is not an exact multiple of the usually haploid number compare euploid
aneuploid noun
aneuploidy
ˈan-yu̇-ˌplȯi-dē How to pronounce aneuploid (audio)
noun

Examples of aneuploid in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Six of them are aneuploid — chromosomally abnormal and completely incompatible with life. — Jen Juneau, Peoplemag, 23 Feb. 2024 Though Barad champions the use of both mosaic and fully aneuploid embryos, the differences between the two in his own data were stark: 23 mosaic embryos transferred produced six live births, while 79 fully aneuploid embryos produced only two. — Laura Hercher, Scientific American, 1 June 2022

Word History

First Known Use

1926, in the meaning defined above

Time Traveler
The first known use of aneuploid was in 1926

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“Aneuploid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aneuploid. Accessed 11 Mar. 2025.

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Medical Definition

aneuploid

adjective
an·​eu·​ploid ˈan-yu̇-ˌploid How to pronounce aneuploid (audio)
: having or being a chromosome number that is not an exact multiple of the usually haploid number compare euploid
aneuploid noun
aneuploidy
-ˌplȯid-ē How to pronounce aneuploid (audio)
noun
plural aneuploidies
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