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vitamin K2

noun
1.
a light-yellow, crystalline solid, C 41 H 56 O 2 , having properties similar to those of vitamin K 1 .
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for vitamin K2

vitamin K2

noun
1.
another name for menaquinone
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
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vitamin K2 in Medicine

vitamin K2 n.
Any of various yellowish crystalline compounds isolated from putrefied fish meal or from various intestinal bacteria and used to stop hemorrhaging. Also called menaquinone.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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vitamin K2 in Science
vitamin K2  
A form of vitamin K that is synthesized by bacteria in the intestine and is also found in fish and other foods. Also called menaquinone. Chemical formula: C41H56O2.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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