antioxidant
noun
an·ti·ox·i·dant
ˌan-tē-ˈäk-sə-dənt 
ˌan-ˌtī-
: a substance (such as beta-carotene or vitamin C) that inhibits oxidation or reactions promoted by oxygen, peroxides, or free radicals
antioxidant
adjective
Examples of antioxidant in a Sentence
Recent Examples on the Web
Radishes can help lower blood sugar levels and are a source of antioxidants that might help protect against cancer and prevent inflammation.
—
Cynthia Sass, Mph, Health, 13 Apr. 2024
My eye serum that has an SPF, antioxidants and peptide technology (a non-retinol product with enhanced cell turnover capabilities) also does not exist on the market.
—Ingrid Schmidt, The Hollywood Reporter, 4 Apr. 2024
The face serum also boasts antioxidant properties, protecting the skin from external aggressors.
—Danielle Cohen, Glamour, 3 Apr. 2024
Green tea is chock full of antioxidants, which are very beneficial to overall health.
—Amber Smith, Discover Magazine, 3 Apr. 2024
This particular mist—which delivers a sheer, dry-touch formula with natural compression, not aerosol—feels weightless on skin and adds additional protection with vitamin E, a powerful antioxidant to neutralize free-radical damage.
—Deanna Pai, Vogue, 3 Apr. 2024
This citrus fruit is also low in calories and has antioxidants that provide anti-inflammatory, antiviral, and antimicrobial benefits.23
13.
—Christine Mattheis, Health, 30 Mar. 2024
Apples: Apples are rich in antioxidants, especially darker-colored varieties like Red Delicious.
—Clare Mulroy, USA TODAY, 24 Mar. 2024
This antioxidant may be helpful for those who are over age 35 and trying to conceive.
—Casey Seiden, Parents, 22 Mar. 2024
Cynthia Sass, Mph, Health, 13 Apr. 2024
My eye serum that has an SPF, antioxidants and peptide technology (a non-retinol product with enhanced cell turnover capabilities) also does not exist on the market.
—Ingrid Schmidt, The Hollywood Reporter, 4 Apr. 2024
The face serum also boasts antioxidant properties, protecting the skin from external aggressors.
—Danielle Cohen, Glamour, 3 Apr. 2024
Green tea is chock full of antioxidants, which are very beneficial to overall health.
—Amber Smith, Discover Magazine, 3 Apr. 2024
This particular mist—which delivers a sheer, dry-touch formula with natural compression, not aerosol—feels weightless on skin and adds additional protection with vitamin E, a powerful antioxidant to neutralize free-radical damage.
—Deanna Pai, Vogue, 3 Apr. 2024
This citrus fruit is also low in calories and has antioxidants that provide anti-inflammatory, antiviral, and antimicrobial benefits.23
13.
—Christine Mattheis, Health, 30 Mar. 2024
Apples: Apples are rich in antioxidants, especially darker-colored varieties like Red Delicious.
—Clare Mulroy, USA TODAY, 24 Mar. 2024
This antioxidant may be helpful for those who are over age 35 and trying to conceive.
—Casey Seiden, Parents, 22 Mar. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'antioxidant.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near antioxidant
Cite this Entry
“Antioxidant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/antioxidant. Accessed 24 Apr. 2024.
Copy CitationKids Definition
antioxidant
noun
an·ti·ox·i·dant
ˌant-ē-ˈäk-səd-ənt
ˌan-ˌtī-
: a substance that opposes oxidation or prevents or makes difficult reactions made easier by oxygen
Medical Definition
antioxidant
noun
an·ti·ox·i·dant
ˌant-ē-ˈäk-səd-ənt, ˌan-ˌtī-
: any of various substances (as beta-carotene, vitamin C, and alpha-tocopherol) that inhibit oxidation or reactions promoted by oxygen and peroxides and that include many held to protect the living body from the deleterious effects of free radicals
antioxidant
adjective
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