noun brom·sul·pha·lein \¦brōm-ˌsəl-ˈfa-lē-ən, -səl-, -ˈfā-\
variants: or


Definition of bromsulphalein


  1. :  a dye C20H10Br4O10S2 derived from phenolphthalein that is used in the form of its bitter white crystalline disodium salt in a liver function test

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Origin and Etymology of bromsulphalein

shortened and altered from phenoltetrabromphthalein sodium sulphonate Term probably introduced by Sanford M. Rosenthal and Edwin C. White in “Clinical application of the bromsulphalein test for hepatic function,” Journal of the American Medical Association, vol. 84, no. 15 (April 11, 1925), pp. 1112-14.

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feeling or affected by lethargy

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