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

methyl + napthalene + di- + ketone

First Known Use: 1941

Medical Dictionary

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

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

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