tocopherol

T1O1C3O1P3H4E1R1O1L1

noun

Any of several isomers of the principal component of vitamin E, each containing a chromanol ring and an isoprene side-chain.

Similar
E306E307E308 and E309 when used as an antioxidantvitamin EE
Less commonScrabble 17
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Meanings

nountocopherol (plural tocopherols)

plural tocopherols

  1. biochemistryAny of several isomers of the principal component of vitamin E, each containing a chromanol ring and an isoprene side-chain.

    Synonyms: E306, E307, E308 and E309 when used as an antioxidant

Synonyms & antonyms

nounAny of several isomers of the principal component of vitamin E, each containing a chromanol ring and an isoprene side-chain.

Similar
E306E307E308 and E309 when used as an antioxidant

More synonyms by meaning

nouna fat-soluble vitamin that is essential for normal reproduction; an important antioxidant that neutralizes free radicals in the body

Similar
vitamin EE
Broader
fat-soluble vitaminantioxidant
Also see
evitamin e

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From Ancient Greek τόκος (tókos, “childbirth”) + φέρειν (phérein, “to bear or carry”) + -ol.

Full word history & related roots →

Translations

Chinese Mandarin 生育酚
  • 生育酚 (shēngyùfēn)organic compound
Finnish tokoferoli
  • tokoferoliorganic compound
Japanese トコフェロール
  • トコフェロール (tokoferōru)organic compound
Korean 토코페롤
  • 토코페롤 (tokoperol)organic compound
Cite this entry
APA

tocopherol. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/tocopherol

MLA

“tocopherol.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/tocopherol. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “tocopherol,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/tocopherol.

Source: tocopherol on Wiktionary, CC BY-SA 4.0.