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
Spinach and kale also contain lutein and zeaxanthin, two antioxidants that benefit eye health.
—
Clare Mulroy, USA TODAY, 28 Apr. 2024
Citrus peels also possess antioxidants that help fight free radicals, reduce the risk of chronic diseases, and boost skin health.
—Nick Blackmer, Verywell Health, 19 Apr. 2024
Algae, for example, is rich in certain vitamins, minerals, and antioxidants.
—Cynthia Sass, Mph, Health, 17 Apr. 2024
Additionally, the antioxidants in vitamin C can neutralize free radicals, which Dr. Engelman says protects the skin from the sun’s harmful UV rays.
—Jessie Quinn, Peoplemag, 17 Apr. 2024
While shopping for bar soaps, Hartman recommends looking for moisturizing ingredients like shea butter, aloe, glycerin or ceramides, antioxidants like oat and Vitamin E to help fortify the skin barrier.
—Larry Stansbury, Essence, 16 Apr. 2024
The best anti-aging ingredients for 15- or 16-year-olds to start using are antioxidants, vitamin C serums, and retinoids.
—Leslie Baumann, Miami Herald, 6 Apr. 2024
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
Clare Mulroy, USA TODAY, 28 Apr. 2024
Citrus peels also possess antioxidants that help fight free radicals, reduce the risk of chronic diseases, and boost skin health.
—Nick Blackmer, Verywell Health, 19 Apr. 2024
Algae, for example, is rich in certain vitamins, minerals, and antioxidants.
—Cynthia Sass, Mph, Health, 17 Apr. 2024
Additionally, the antioxidants in vitamin C can neutralize free radicals, which Dr. Engelman says protects the skin from the sun’s harmful UV rays.
—Jessie Quinn, Peoplemag, 17 Apr. 2024
While shopping for bar soaps, Hartman recommends looking for moisturizing ingredients like shea butter, aloe, glycerin or ceramides, antioxidants like oat and Vitamin E to help fortify the skin barrier.
—Larry Stansbury, Essence, 16 Apr. 2024
The best anti-aging ingredients for 15- or 16-year-olds to start using are antioxidants, vitamin C serums, and retinoids.
—Leslie Baumann, Miami Herald, 6 Apr. 2024
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
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 1 May. 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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