- 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.
Compare vitamin E.
Origin of tocopherol
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- biochem 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 reproductionAlso called: vitamin E
C20: from toco-, from Greek tokos offspring (see tocology) + -pher-, from pherein to bear + -ol 1
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
- A substance that is obtained from wheat germ oil or by synthesis, biologically exhibits the most vitamin E activity of the tocopherols, and is an antioxidant.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- Any of a group of closely related, fat-soluble alcohols that are types of vitamin E, especially alpha-tocopherol.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.