/ Dictionary / Index A alpha-tocopherol: Meaning and Definition of Find definitions for: al•pha-to•coph•e•rol Pronunciation: (al'fu tō-kof'u-rôl", -rol"), [key] — n. Biochem. vitamin E. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. alpha test alphitomancy Related Content Daily Word Quiz: pedagogy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language