/ Thesaurus / T Synonyms of tetrabromo phenolsulfonephthalein Find synonyms for: Noun1. bromophenol blue, bromphenol blue, tetrabromo-phenolsulfonephthalein, dye, dyestuff, acid-base indicatorusage: a dye used as an acid-base indicatorWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language