tetrabromo-phenolsulfonephthalein tet·rab·ro·mophenolsulfonephthalein uncommon noun 1. a dye used as an acid-base indicator Synonymsbromophenol bluebromphenol blue Related words Broader terms dyeacid-base indicator WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
