Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A fat-soluble vitamin, occurring in leafy green vegetables, tomatoes, and egg yolks, that promotes blood clotting and prevents hemorrhaging. It exists in several related forms, such as K1 and K2.
- noun A crystalline compound, C41H56O2, isolated from putrefied fish meal or from various intestinal bacteria, used to stop hemorrhaging and in veterinary medicine as an antidote to certain poisons.
- noun A yellow viscous oil, C31H46O2, found in leafy green vegetables or made synthetically, used by the body in the synthesis of prothrombin and in veterinary medicine as an antidote to certain poisons.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Either of several related
fat-soluble vitamins, found in leafy greenvegetables , essential forblood clotting . - noun slang The drug
ketamine .
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