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
See all Example Sentences for antioxidant 
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
See all Example Sentences for antioxidant
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 4 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share