iodophthalein
noun
io·do·phtha·lein
| \ ī-ˌōd-ə-ˈthal-ē-ən
, ī-ˈäd-
, -ˈthal-ˌēn
, -ˈthāl-\
, ī-ˈäd-
, -ˈthal-ˌēn
, -ˈthāl-\
Medical Definition of iodophthalein
: a derivative of phenolphthalein or its soluble blue-violet crystalline disodium salt C20H8I4Na2O4 used to render the gallbladder opaque to X-rays and formerly to treat typhoid carriers
— called also tetraiodophenolphthalein