Definitions for menadioneˌmɛn əˈdaɪ oʊn
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Random House Webster's College Dictionary
men•a•di•oneˌmɛn əˈdaɪ oʊn(n.)
a synthetic yellow crystalline powder, C11H8O2, insoluble in water, used as a vitamin K supplement.
Category: Biochemistry, Pharmacology
Ref: Also called vitamin K3. 3
Origin of menadione:
1940–45; me (thyl ) +na (phthalene ) +di -1+ -one
Princeton's WordNet
vitamin K3, menadione(noun)
a form of vitamin K
Wiktionary
menadione(Noun)
a derivative of naphthoquinone that is a constituent of vitamin K
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