Vitamin k
noun, slang
noun, slang ·Uncommon ·College level
Definitions
Noun
- 1 Any of several related fat-soluble vitamins, found in leafy green vegetables, essential for blood clotting. uncountable
- 2 a fat-soluble vitamin that helps in the clotting of blood wordnet
- 3 The drug ketamine. slang, uncountable
Etymology
Named similarly to the other vitamins, that are named after their order of discovery. This one was assigned its "K" from Danish koagulation by the Danish researcher Henrik Dam.