noun
- a light-yellow, crystalline solid, C41H56O2, having properties similar to those of vitamin K1.
noun
- another name for menaquinone
n.
- Any of various yellowish crystalline compounds isolated from putrefied fish meal or from various intestinal bacteria and used to stop hemorrhaging.menaquinone
- A form of vitamin K that is synthesized by bacteria in the intestine and is also found in fish and other foods. Also called menaquinone. Chemical formula: C41H56O2.