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phenolphthaleins

phenolphthaleins is the plural of phenolphthalein.

Meaning of phenolphthalein

Noun

phenolphthalein (countable and uncountable, plural phenolphthaleins)

  1. 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.
    • After transfering the acid to a 150-mL Erlenmeyer flask, add 60 mL of deionized water and 2 drops of phenolphthalein.

Questions about phenolphthaleins

What is phenolphthaleins the plural of?
Phenolphthaleins is the plural of phenolphthalein.

Words near phenolphthaleins in the dictionary

  1. phenology
  2. phenoloxidase
  3. phenoloxidases
  4. phenoloxydase
  5. phenolphthalein
  6. phenolphthaleins
  7. phenolphthalin
  8. phenolphthalins
  9. phenols
  10. phenolsulfonephthalein
  11. phenolsulfonephthaleins

Source and license

Adapted from Wiktionary: phenolphthaleins (page history and authors); phenolphthalein (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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