Medical Dictionary

metallothionein

noun me·tal·lo·thio·ne·in \-ˌthī-ə-ˈnē-ən\

Medical Definition of METALLOTHIONEIN

:  any of various metal-binding proteins involved in the metabolism of copper and zinc in body tissue (as of the liver) and in the binding of toxic metals (as cadmium)

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