phenol phthalein

A form of phenolphthalein — A white or yellowish-white crystalline compound C₂₀H₁₄O₄ used in medicine as a laxative and in analysis as an indicator because its solution is brilliant red in alkalies and is decolorized by acids.

Meanings

nounphenol phthalein (uncountable)
  1. alternativeuncountableAlternative form of phenolphthalein.
Cite this entry
APA

phenol phthalein. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/phenol%20phthalein

MLA

“phenol phthalein.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/phenol%20phthalein. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “phenol phthalein,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/phenol%20phthalein.

Source: phenol phthalein on Wiktionary, CC BY-SA 4.0.