noun Pharmacology.
a synthetic yellow crystalline powder, C 1 1 H 8 O 2 , insoluble in water, used as a vitamin K supplement.
Also called vitamin K3.

1940–45; me(thyl) + na(phthalene) + di-1 + -one Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To menadione
World English Dictionary
menadione (ˌmɛnəˈdaɪəʊn)
Also: vitamin K3 a yellow crystalline compound used in fungicides and as an additive to animal feeds. Formula: C11H8O2
[C20: from me(thyl) + na(phtha) + di-1 + -one]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Medical Dictionary

menadione men·a·di·one (měn'ə-dī'ōn')
A synthetic vitamin K derivative occurring as a yellow crystalline powder and used as a vitamin K supplement.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Copyright © 2014, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature