phlorizin
noun
phlo·ri·zin
variants:
or phlorhizin \ ˈflōr-ə-zən 
, ˈflȯr-; flə-ˈrīz-ᵊn
\
or phloridzin \ ˈflōr-əd-zən
, ˈflȯr-; flə-ˈrid-zən
\
, ˈflȯr-; flə-ˈrīz-ᵊn
\
or phloridzin \ ˈflōr-əd-zən
, ˈflȯr-; flə-ˈrid-zən
\
Medical Definition of phlorizin
: a bitter crystalline glucoside C21H24O10 that is extracted from root bark or bark (as of the apple, pear, or cherry), produces glycosuria if injected hypodermically, and is used chiefly in producing experimental diabetes in animals