alpha-tocopherol

noun
al·​pha-to·​coph·​er·​ol | \ ˈal-fə-tō-ˈkä-fə-ˌrȯl How to pronounce alpha-tocopherol (audio) , -ˌrōl \

Definition of alpha-tocopherol

: the predominant form of vitamin E C29H50O2 that is essential to human nutrition … the vitamin E sold as a dietary supplement contains primarily alpha-tocopherol.— Janet Raloff

Note: Alpha-tocopherol is a potent antioxidant and the most biologically active form of vitamin E. Because alpha-tocopherol is the form of vitamin E most essential to biological functioning, it is often used synonymously with vitamin E.

Vitamin E—also called alpha-tocopherol—is a vitamin in search of a deficiency disease.— S. Boyd Eaton

First Known Use of alpha-tocopherol

1936, in the meaning defined above

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The first known use of alpha-tocopherol was in 1936

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Cite this Entry

“Alpha-tocopherol.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/alpha-tocopherol. Accessed 24 January 2020.

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alpha-tocopherol

noun
al·​pha-to·​coph·​er·​ol | \ ˌal-fə-tō-ˈkäf-ə-ˌrȯl, -ˌrōl How to pronounce alpha-tocopherol (audio) \

Medical Definition of alpha-tocopherol

: the predominant form of vitamin E C29H50O2 that is essential to human nutrition … the vitamin E sold as a dietary supplement contains primarily alpha-tocopherol.— Janet Raloff

Note: Alpha-tocopherol is a potent antioxidant and the most biologically active form of vitamin E. Because alpha-tocopherol is the form of vitamin E most essential to biological functioning, it is often used synonymously with vitamin E.

Vitamin E—also called alpha-tocopherol—is a vitamin in search of a deficiency disease.— S. Boyd Eaton

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