World English Dictionary
menaquinone (ˌmɛnəkwɪˈnəʊn)
Also: vitamin K2 a form of vitamin K synthesized by bacteria in the intestine or in putrefying organic matter
[C20: from me(thyl)-na(phtho)quinone]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

menaquinone men·a·quin·one (měn'ə-kwĭn'ōn', -kwī'nōn')
Abbr. MK
See vitamin K2.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
menaquinone  [%PREMIUM_LINK%]     (měn'ə-kwĭn'ōn', -kwī'nōn')  Pronunciation Key 
See vitamin K<sub>2</sub>.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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