Dictionary![]() ![]() to•coph•er•olPronunciation: (tō-kof'u-rôl", -rol"), [key] —n. Biochem. 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. Cf. vitamin E. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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