Definitions

from the GNU version of the Collaborative International Dictionary of English

  • n. 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.

  • n. a form of vitamin K

Etymologies

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