Nearby Words

Menadione

[men-uh-dahy-ohn]

men·a·di·one

[men-uh-dahy-ohn]
noun Pharmacology.
a synthetic yellow crystalline powder, C11H8O2, insoluble in water, used as a vitamin K supplement.
Also called vitamin K3.


Origin:
1940–45; me(thyl) + na(phthalene) + di-1 + -one
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Menadione is always a great word to know.
So is gobo. Does it mean:
a chattering or flighty, light-headed person.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
Collins
World English Dictionary
menadione (ˌmɛnəˈdaɪəʊn)
 
n
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
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American Heritage
Medical Dictionary

menadione men·a·di·one (měn'ə-dī'ōn')
n.
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.
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