tetraiodophenolphthalein

noun
tet·​ra·​iodo·​phe·​nol·​phtha·​lein | \ ˌte-trə-ī-ˌō-dō-ˌfēn-ᵊl-ˈthal-ē-ən, -ˈthal-ˌēn, -ˈthāl- How to pronounce tetraiodophenolphthalein (audio) \

Medical Definition of tetraiodophenolphthalein