vitamin E

noun

: any of several fat-soluble vitamins that are chemically tocopherols whose lack in the human body is associated especially with neurological symptoms (as ataxia and muscle weakness), that are found especially in wheat germ, vegetable oils, egg yolk, and green leafy vegetables or are made synthetically, and that are used chiefly in animal feeds and as antioxidants
especially : alpha-tocopherol

Examples of vitamin E in a Sentence

Recent Examples on the Web
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With caffeine, vitamin E, and glycerin to hydrate and brighten, the formula delivers buildable coverage with the second-skin finish that made the Luminous Silk line famous. Christa Joanna Lee, Allure, 14 Aug. 2026 This includes hyaluronic acid, vitamin E, and other antioxidants that help even out signs of aging, such as dark spots and wrinkles. Alanna Martine Kilkeary, Glamour, 13 Aug. 2026 Sesame seeds also contain unique plant compounds called lignans, particularly sesamin and sesamolin, along with vitamin E and other antioxidant compounds that help protect cells from oxidative stress. Daryl Austin, USA Today, 12 Aug. 2026 This potent elixir is powered by L-ascorbic acid, vitamin E, and ferulic acid to protect against environmental stressors and combat fine lines, wrinkles, and discoloration. Deanna Pai, Vogue, 7 Aug. 2026 See All Example Sentences for vitamin E

Word History

First Known Use

1925, in the meaning defined above

Time Traveler
The first known use of vitamin E was in 1925

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Cite this Entry

“Vitamin E.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vitamin%20E. Accessed 20 Aug. 2026.

Kids Definition

vitamin E

noun
: any of various oily liquid compounds that can be dissolved in fats, are found especially in plants, and are necessary in the body to prevent infertility and the breakdown of muscles

Medical Definition

vitamin E

noun
: any of several fat-soluble vitamins that are chemically tocopherols or tocotrienols whose lack in the human body is associated especially with neurological symptoms (as ataxia and muscle weakness), that are found especially in wheat germ, vegetable oils, egg yolk, and green leafy vegetables or are made synthetically, and that are used chiefly in animal feeds and as antioxidants
especially : alpha-tocopherol

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