aneuploid
adjective
an·eu·ploid
ˈan-yu̇-ˌploid 
: having or being a chromosome number that is not an exact multiple of the usually haploid number compare euploid
aneuploid
noun
Examples of aneuploid in a Sentence
Recent Examples on the Web
According to their testing, 11 out of 76 were aneuploid.
—
Jamie Ducharme, TIME, 6 Mar. 2025
Six of them are aneuploid — chromosomally abnormal and completely incompatible with life.
—Jen Juneau, Peoplemag, 23 Feb. 2024
Early loss of aneuploid embryos can direct maternal resources to healthier single newborns rather than twins or multiples.
—Kathryn Kavanagh, The Conversation, 1 Sep. 2022
In practice, embryos are classified as fully aneuploid rather than mosaic when more than 80 percent of the cells biopsied show one or more genetic abnormalities.
—Laura Hercher, Scientific American, 1 June 2022
Those studies also don’t account for IVF treatments that were started but did not result in an embryo transfer or pregnancy because all embryos were labeled as aneuploid by PGT-A, therefore overestimating the success of PGT-A, Mastenbroek said.
—Isabella Cueto, STAT, 30 Nov. 2021
In the last few years, some researchers report that anywhere from 10 to 40 percent of brain cells and between 30 and 90 percent of human liver cells are aneuploid, meaning that one entire chromosome is either missing or duplicated.
—Quanta Magazine, 21 Aug. 2014
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Jamie Ducharme, TIME, 6 Mar. 2025
Six of them are aneuploid — chromosomally abnormal and completely incompatible with life.
—Jen Juneau, Peoplemag, 23 Feb. 2024
Early loss of aneuploid embryos can direct maternal resources to healthier single newborns rather than twins or multiples.
—Kathryn Kavanagh, The Conversation, 1 Sep. 2022
In practice, embryos are classified as fully aneuploid rather than mosaic when more than 80 percent of the cells biopsied show one or more genetic abnormalities.
—Laura Hercher, Scientific American, 1 June 2022
Those studies also don’t account for IVF treatments that were started but did not result in an embryo transfer or pregnancy because all embryos were labeled as aneuploid by PGT-A, therefore overestimating the success of PGT-A, Mastenbroek said.
—Isabella Cueto, STAT, 30 Nov. 2021
In the last few years, some researchers report that anywhere from 10 to 40 percent of brain cells and between 30 and 90 percent of human liver cells are aneuploid, meaning that one entire chromosome is either missing or duplicated.
—Quanta Magazine, 21 Aug. 2014
Cite this Entry
“Aneuploid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aneuploid. Accessed 4 Nov. 2025.
Copy CitationMedical Definition
aneuploid
adjective
an·eu·ploid
ˈan-yu̇-ˌploid
: having or being a chromosome number that is not an exact multiple of the usually haploid number compare euploid
aneuploid
noun
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