Word Study
vitamin k1
CIDE DICTIONARY
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 . [WordNet 1.5]
For further exploring for "vitamin k1" in Webster Dictionary Online