Medical Dictionary

zymogen

noun zy·mo·gen \ˈzī-mə-jən\

Medical Definition of ZYMOGEN

:  an inactive protein precursor of an enzyme secreted by living cells and converted (as by a kinase or an acid) into an active form—called also proenzyme
April 27, 2015
savvy Hear it
to understand
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