Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
tetrabromo-phenolsulfonephthalein is a noun meaning "a dye used as an acid-base indicator". It carries one recorded sense.
a dye used as an acid-base indicator
Definitions, synonyms and semantic relations for tetrabromo-phenolsulfonephthalein come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.