Dictionary

menadione

noun men·a·di·one \ˌme-nə-ˈdī-ˌōn, -dī-ˈ\

Definition of MENADIONE

:  a yellow crystalline compound C11H8O2 with the biological activity of natural vitamin K
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Origin of MENADIONE

methyl + napthalene + di- + ketone
First Known Use: 1941
Medical Dictionary

menadione

noun men·a·di·one \ˌmen-ə-ˈdī-ˌōn, -dī-ˈ\

Medical Definition of MENADIONE

:  a yellow crystalline compound C11H8O2 with the biological activity of natural vitamin K—called also vitamin K3

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