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tocopherol

American  
[toh-kof-uh-rawl, -rol] / toʊˈkɒf əˌrɔl, -ˌrɒl /

noun

Biochemistry.
  1. one of several alcohols that constitute the dietary factor known as vitamin E, occurring in wheat-germ oil, lettuce or spinach leaves, egg yolk, etc.


tocopherol British  
/ tɒˈkɒfəˌrɒl /

noun

  1. Also called: vitamin Ebiochem any of a group of fat-soluble alcohols that occur in wheat-germ oil, watercress, lettuce, egg yolk, etc. They are thought to be necessary for healthy human reproduction

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

tocopherol Scientific  
/ tō-kŏfə-rôl′,-rōl′ /
  1. Any of a group of closely related, fat-soluble alcohols that are types of vitamin E, especially alpha-tocopherol.


Etymology

Origin of tocopherol

1935–40; < Greek tóko ( s ) child, childbirth + phér ( ein ) to carry, bear 1 + -ol 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The three most common allergens were fragrances, parabens and tocopherol.

From New York Times • Oct. 16, 2017

Hiding in difficult-to-decipher ingredients like modified food starch, or maybe tocopherol?

From The Verge • May 31, 2017

Thus vitamin E would be known as alpha tocopherol, C as ascorbic acid, B� as riboflavin.

From Time Magazine Archive

Dr. Evans promptly fed alpha tocopherol to sterile rats, and this week he told the International Physiological Congress at Zurich, Switzerland, that all 200 of the rats gave birth to average-sized litters.

From Time Magazine Archive

Gamma tocopherol tends to be found in newer E supplements--those that boast of "mixed tocopherols."

From Time Magazine Archive