cen·​tro·​mere | \ ˈsen-trə-ˌmir How to pronounce centromere (audio) \

Definition of centromere

: the point or region on a chromosome to which the spindle (see spindle entry 1 sense 2) attaches during mitosis and meiosis

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Other Words from centromere

centromeric \ ˌsen-​trə-​ˈmir-​ik How to pronounce centromeric (audio) , -​ˈmer-​ How to pronounce centromeric (audio) \ adjective

Examples of centromere in a Sentence

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Having two centromeres on a single chromosome is a problem, because fibers could attach in a way that pulled a single chromosome toward both of the daughter cells, causing it to break apart. John Timmer, Ars Technica, "Gene editing crunches an organism’s genome into single, giant DNA molecule," 3 Aug. 2018 Still, blank spots remain at the ends of chromosomes (called telomeres), as well as at the axis points where the two arms of a chromosome meet (called centromeres). Kyle Peterson, WSJ, "Cracking the Code of Life—at Light Speed," 27 Apr. 2018 That means the companies must translate the demanding argot of genetics — alleles and phenotypes and centromeres — into something approachable, even simple, for physicians and laypersons alike. Thomas Goetz, WIRED, "23AndMe Will Decode Your DNA for $1,000. Welcome to the Age of Genomics," 17 Nov. 2007

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'centromere.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of centromere

1936, in the meaning defined above

History and Etymology for centromere

International Scientific Vocabulary

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Time Traveler for centromere

The first known use of centromere was in 1936

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cen·​tro·​mere | \ ˈsen-trə-ˌmi(ə)r How to pronounce centromere (audio) \

Medical Definition of centromere

: the point or region on a chromosome to which the spindle attaches during mitosis and meiosis

called also kinetochore

Other Words from centromere

centromeric \ ˌsen-​trə-​ˈmi(ə)r-​ik How to pronounce centromeric (audio) , -​ˈmer-​ How to pronounce centromeric (audio) \ adjective

More from Merriam-Webster on centromere

Britannica.com: Encyclopedia article about centromere

Comments on centromere

What made you want to look up centromere? Please tell us where you read or heard it (including the quote, if possible).


to affect and impair by alcohol or a drug

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