Definitions
from the GNU version of the Collaborative International Dictionary of English.
- noun menadione, (C11H8O2) being chemically 2-methyl-1,4,-naphthoquinone. Having no side chain in the 3 position, it cannot exert all functions of a true K vitamin and the designation as vitamin K3 has been discouraged.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a form of vitamin K
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