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
Seen & Heard
What made you want to look up menadione? Please tell us where you read or heard it (including the quote, if possible).