telomere
noun
telo·mere
ˈte-lə-ˌmir 
ˈtē-
ˈtē-
: 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
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Studies suggest that women who give birth after 35 often have longer telomeres, the protective caps on DNA that are associated with slower aging.
—
Gordon G. Chang, Newsweek, 24 Jan. 2025
In other words, running for half an hour five times a week will keep those all-important telomeres long.
—Jeanne Ballion, Vogue, 2 Dec. 2024
But more recent studies have suggested that chronic oxidative stress—and not microgravity—likely cause telomeres to lengthen in space.
—Regina Kim, Forbes, 15 Jan. 2025
At the end of eight weeks, the researchers measured the twins’ biological ages based on their telomeres — protective caps at the ends of chromosomes that shorten with age.
—Aria Bendix, NBC News, 1 Jan. 2025
See All Example Sentences for telomere
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Gordon G. Chang, Newsweek, 24 Jan. 2025
In other words, running for half an hour five times a week will keep those all-important telomeres long.
—Jeanne Ballion, Vogue, 2 Dec. 2024
But more recent studies have suggested that chronic oxidative stress—and not microgravity—likely cause telomeres to lengthen in space.
—Regina Kim, Forbes, 15 Jan. 2025
At the end of eight weeks, the researchers measured the twins’ biological ages based on their telomeres — protective caps at the ends of chromosomes that shorten with age.
—Aria Bendix, NBC News, 1 Jan. 2025
See All Example Sentences for telomere
Cite this Entry
“Telomere.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/telomere. Accessed 1 Mar. 2025.
Copy CitationMedical Definition
telomere
noun
telo·mere
ˈtel-ə-ˌmi(ə)r
ˈtēl-
ˈtēl-
: the natural end of a eukaryotic chromosome composed of a usually repetitive DNA sequence and serving to stabilize the chromosome
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