vitamin E

American  

noun

1. a pale-yellow viscous fluid, abundant in vegetable oils, whole-grain cereals, butter, and eggs, and important as an antioxidant in the deactivation of free radicals and in maintenance of the body's cell membranes: deficiency is rare.

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vitamin E British  

noun

1. another name for tocopherol

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vitamin E Scientific  

1. A fat-soluble vitamin important for normal cell growth and function. It is found in vegetable oils, wheat germ, green leafy vegetables, and egg yolks. Vitamin E has at least eight different forms, the most prevalent of which is alpha-tocopherol.

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Etymology

Origin of vitamin E

First recorded in 1920–25

Example Sentences

See Examples For:

vitamin E

Antioxidant activity was measured using Trolox, a water-soluble analog of vitamin E that serves as a reference standard.

From Science Daily ● Feb. 8, 2026

Where available, the tests included expanded screening for more than 290 pesticides and checks for other hazardous materials, such as vitamin E acetate or synthetic cannabinoids.

From Los Angeles Times ● Dec. 19, 2024

It’s true that ingredients like vitamin E, vitamin C, and zinc are necessary for a well-functioning immune system.

From National Geographic ● Feb. 8, 2024

The group recommended against beta carotene and vitamin E for that purpose.

From Seattle Times ● May 24, 2023

Green grass has large quantities of beta-carotene, vitamin E, and folic acid.

From "The Omnivore's Dilemma" by Michael Pollan