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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


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Word History and Origins

Origin of menadione1

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

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Word History and Origins

Origin of menadione1

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

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