Medical Dictionary

concretion

noun con·cre·tion \kän-ˈkrē-shən, kən-\

Medical Definition of CONCRETION

:  a hard usually inorganic mass (as a bezoar or tophus) formed in a living body

Browse

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