Definition of phenolsulphonphthalein in English:

phenolsulphonphthalein

(also phenolsulfonphthalein)

noun

Chemistry
  • Phenol red.

Origin

Late 19th century. From phenol + sulphone + phthalein.

Pronunciation

phenolsulphonphthalein

/ˌfiːnɒlsʌlfɒnˈ(f)θeɪlɪɪn//ˌfiːnɒlsʌlfɒnˈ(f)θeɪlɪiːn//ˌfiːnɒlsʌlfɒnˈ(f)θalɪɪn/