Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

tocopherol

play
noun to·coph·er·ol \tō-ˈkä-fə-ˌrȯl, -ˌrōl\

Definition of tocopherol

  1. :  any of several fat-soluble oily phenolic compounds with varying degrees of antioxidant vitamin E activity; especially :  alpha-tocopherol



Origin of tocopherol

International Scientific Vocabulary, ultimately from Greek tokos childbirth, offspring (akin to Greek tiktein to beget) + pherein to carry, bear — more at thane, bear


First Known Use: circa 1936


Medical Dictionary

tocopherol

play play
noun to·coph·er·ol \tō-ˈkäf-ə-ˌrȯl, -ˌrōl\

Medical Definition of tocopherol

  1. :  any of several fat-soluble oily phenolic compounds with varying degrees of antioxidant vitamin E activity; especially :  alpha-tocopherol




Learn More about tocopherol


Seen and Heard

What made you want to look up tocopherol? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 10, 2016

to put in good humor

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

spindrift duvet kittly-benders pince-nez
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ