a yellow, crystalline powder, CHO, possessing vitamin K activity and used in medicine
Origin of menadioneme(thyl) + na(phthoquinone) + di- + -one
A synthetic compound, C11H8O2, obtained by oxidation of 2-methylnaphthalene, that is converted in the body to vitamin K2 and is used as an additive in animal feed. Also called vitamin K3 .
Origin of menadioneme(thyl) na(phthalene) di- 1 -one