'vitamin K1' definitions:

Definition of 'vitamin K1'

noun

A form of vitamin K [syn: vitamin K1, phylloquinone, phytonadione]

Definition of 'vitamin K1'

From: GCIDE

vitamin K1 \vitamin K1\ n. one of the two K vitamins, (C31H46O2). It is fat-soluble and occurs naturally as the trans isomer. Chemically it is 2-methyl-3-phytyl-1,4,-naphthoquinone.
Syn: phylloquinone, phytonadione, antihemorrhagic vitamin.. [WordNet 1.5 +PJC] vitamin K2

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