Menadione meaning

mĕn'ə-dī'ōn'
A synthetic vitamin K derivative that is a yellow crystalline powder, C11 H8 O2 , used as a vitamin K supplement.
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A yellow, crystalline powder, C11H8O2, possessing vitamin K activity and used in medicine.
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A synthetic compound, C11 H8 O2 , obtained by oxidation of 2-methylnaphthalene, that is converted in the body to vitamin K2 and is used as an additive in animal feed.
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(biochemistry) A derivative of naphthoquinone that is a constituent of vitamin K.
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Origin of menadione

  • me(thyl) na(phthalene) di– –one
    From American Heritage Dictionary of the English Language, 5th Edition