centromere

noun
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

Keep scrolling for more

Other Words from centromere

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

Examples of centromere in a Sentence

Recent Examples on the Web Altemose plans on using the complete genome to explore a particularly mysterious region in each chromosome known as the centromere. Carl Zimmer New York Times, Star Tribune, 24 July 2021 Adam Phillippy and his team at NHGRI deserve special credit for their focused work to resolve the sequences of the ribosomal DNA arrays on each of the five acrocentric chromosomes, where the centromere is much closer to one end than to the center. Quanta Magazine, 8 Sep. 2021 In their first look, Altemose and his colleagues were struck by how different centromere regions can be from one person to another. Carl Zimmer New York Times, Star Tribune, 24 July 2021 In their first look, Dr. Altemose and his colleagues were struck by how different centromere regions can be from one person to another. New York Times, 23 July 2021 Chromosomes, of which humans have 23 pairs, each consist of a long, continuous stretch of DNA that can be condensed into a rod shape; the DNA at the centromere is particularly dense. Sarah Zhang, The Atlantic, 11 June 2021 But on five of the 23 total human chromosomes, the centromere is not precisely in the middle, instead favoring one end over the other, per the Atlantic. Elizabeth Gamillo, Smithsonian Magazine, 18 June 2021 These sequencers still can’t handle chunks big enough to cross an entire centromere or a short arm, but at least the algorithms have larger puzzle pieces to assemble. Sarah Zhang, The Atlantic, 11 June 2021 On five human chromosomes, the centromere is not in the middle but very close to one end, dividing the chromosome into one long and one very short arm. Sarah Zhang, The Atlantic, 11 June 2021

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.

See More

First Known Use of centromere

1936, in the meaning defined above

History and Etymology for centromere

International Scientific Vocabulary

Keep scrolling for more

Learn More About centromere

Time Traveler for centromere

Time Traveler

The first known use of centromere was in 1936

See more words from the same year

Dictionary Entries Near centromere

centrolinead

centromere

centroplasm

See More Nearby Entries 

Statistics for centromere

Last Updated

1 Oct 2021

Cite this Entry

“Centromere.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/centromere. Accessed 21 Oct. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon
Seen & Heard
People are talking about

Keep scrolling for more

More Definitions for centromere

centromere

noun
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 centromere (audio) , -​ˈmer-​ How to pronounce centromere (audio) \ adjective

More from Merriam-Webster on centromere

Britannica.com: Encyclopedia article about centromere

WORD OF THE DAY

Test Your Vocabulary

Dog Words Quiz

  • shiba puppy more or less demanding cuddles
  • Which of the following animals has a dog in its etymology?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!