or  phlo*rhi*zin  or  phlo*rid*zin  n :  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 .
 
 
 
Similar sounding terms:  flu·o·res·ce·in 
 
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