menadione

[ men-uh-dahy-ohn ]

noun

, Pharmacology.

1. a synthetic yellow crystalline powder, C 1 1 H 8 O 2 , insoluble in water, used as a vitamin K supplement.

menadione

/ ˌmɛnəˈdaɪəʊn /

noun

1. a yellow crystalline compound used in fungicides and as an additive to animal feeds. Formula: C 11 H 8 O 2 Alsovitamin K3

Word History and Origins

Origin of menadione¹

First recorded in 1940–45; me(thyl) + na(phthalene) + di- ¹ + -one

Word History and Origins

Origin of menadione¹

C20: from me ( thyl ) + na ( phtha ) + di- ¹+ -one