menadione


men·a·di·one

noun \ˌme-nə-ˈdī-ˌōn, -dī-ˈ\

Definition of MENADIONE

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

Origin of MENADIONE

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

men·a·di·one

noun \ˌmen-ə-ˈdī-ˌōn, -dī-ˈ\   (Medical Dictionary)

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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