follow Dictionary.com

11 Trending Words of 2014

menadione

[men-uh-dahy-ohn] /ˌmɛn əˈdaɪ oʊn/
noun, Pharmacology
1.
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.
Origin
1940-1945
1940-45; me(thyl) + na(phthalene) + di-1 + -one
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for menadione

menadione

/ˌmɛnəˈdaɪəʊn/
noun
1.
a yellow crystalline compound used in fungicides and as an additive to animal feeds. Formula: C11H8O2 Also vitamin K3
Word Origin
C20: from me(thyl) + na(phtha) + di-1 + -one
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
menadione in Medicine

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.
Cite This Source

Word of the Day

Difficulty index for menadione

Few English speakers likely know this word

Word Value for menadione

0
15
Scrabble Words With Friends

Nearby words for menadione