di·io·do·hy·droxy·quinoline \dīˈīəˌdōˌhī|dräksē+\noun ordi·io·do·hy·droxy·quin\-ˌhīˈdräksēkwə̇n\ Etymology:diiodohydroxyquinoline from diiod- + hydroxyquinoline; diiodohydroxyquin short for diiodohydroxyquinoline : a colorless to tan crystalline compound C9H5I2NO used especially in the treatment of amebic dysentery