free radical
noun
: an especially reactive atom or group of atoms that has one or more unpaired electrons
especially
: one that is produced in the body by natural biological processes or introduced from an outside source (such as tobacco smoke, toxins, or pollutants) and that can damage cells, proteins, and DNA by altering their chemical structure
Examples of free radical in a Sentence
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Oxidative stress is the imbalance between free radicals (reactive molecules that can damage cells and genetic material) and antioxidants in the body.
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Lana Barhum, Verywell Health, 31 Oct. 2024
Meet free radicals: unstable oxygen molecules—generated by exposure to external factors like environmental pollution and UV rays—that damage cellular structures like DNA, lipids, and proteins.
—Abby Dupes, StyleCaster, 20 Sep. 2024
They might be best known as antioxidants (which fend off cell-damaging molecules called free radicals), but newer research suggests they’re also fermented by your friendly gut bacteria, further supporting a healthy microbiome.
—Erica Sloan, SELF, 4 Sep. 2024
Antioxidants—like curcumin—work by binding to and neutralizing free radicals, thus reducing the risk of cellular damage that can lead to disease.
—Sarah Bence, Verywell Health, 28 Oct. 2024
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Lana Barhum, Verywell Health, 31 Oct. 2024
Meet free radicals: unstable oxygen molecules—generated by exposure to external factors like environmental pollution and UV rays—that damage cellular structures like DNA, lipids, and proteins.
—Abby Dupes, StyleCaster, 20 Sep. 2024
They might be best known as antioxidants (which fend off cell-damaging molecules called free radicals), but newer research suggests they’re also fermented by your friendly gut bacteria, further supporting a healthy microbiome.
—Erica Sloan, SELF, 4 Sep. 2024
Antioxidants—like curcumin—work by binding to and neutralizing free radicals, thus reducing the risk of cellular damage that can lead to disease.
—Sarah Bence, Verywell Health, 28 Oct. 2024
See all Example Sentences for free radical
Dictionary Entries Near free radical
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“Free radical.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/free%20radical. Accessed 23 Nov. 2024.
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