Medical Dictionary

phthiocol

noun phthi·o·col \ˈthī-ə-ˌkl, -ˌkōl\

Definition of PHTHIOCOL

:  a yellow crystalline quinone C11H8O3 with vitamin K activity that is isolated from the human tubercle bacillus and also made synthetically
April 01, 2015
diapause Hear it
a period of physiological dormancy
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears