telomere

noun

telo·​mere ˈte-lə-ˌmir How to pronounce telomere (audio) ˈtē- How to pronounce telomere (audio)
: the natural end of a eukaryotic chromosome composed of a usually repetitive DNA sequence and serving to stabilize the chromosome

Examples of telomere in a Sentence

Recent Examples on the Web Magnesium was also found to protect telomeres from shortening, which are linked to aging and life expectancy. Elizabeth Gamillo, Discover Magazine, 5 Apr. 2024 But metformin blunts this process, keeping telomeres intact and well functioning. Ali Finney, Vogue, 27 Nov. 2023 But a May study in the New England Journal of Medicine found that people with longer-than-average telomeres are more likely to develop cancer. Karen Weintraub, USA TODAY, 8 June 2023 The compound prevented telomeres—DNA sequences that cap the end of chromosomes—from shortening, halting a biological process that triggers aging. Jocelyn Solis-Moreira, Popular Science, 8 June 2023 This unique blend of ingredients has been formulated to help lengthen telomeres and support healthy aging from the inside out. Amber Smith, Discover Magazine, 6 June 2023 This is because stress shortens the telomeres in the cells. Mikayla Morell, Health, 2 Apr. 2023 Rather, Dituri is excited to build on past research that indicates regular exposure to hyperbaric conditions can mobilize stem cells and rebuild telomeres—the ends of chromosomes associated with cellular replication. Ashley Stimpson, Popular Mechanics, 8 Apr. 2023 Serving as protective end caps on chromosomes, telomeres are longest at birth and shrink steadily with age. Holly Haber, Dallas News, 23 Mar. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'telomere.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

International Scientific Vocabulary

First Known Use

1940, in the meaning defined above

Time Traveler
The first known use of telomere was in 1940

Dictionary Entries Near telomere

Cite this Entry

“Telomere.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/telomere. Accessed 26 May. 2024.

Medical Definition

telomere

noun
: the natural end of a eukaryotic chromosome composed of a usually repetitive DNA sequence and serving to stabilize the chromosome
telomeric adjective
Last Updated: - Updated example sentences
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