Meanings
nounphenolphthalein (countable and uncountable, plural phenolphthaleins)
plural phenolphthaleins
- countableuncountablechemistryA 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.
Origin
Translations
Bengali ফেনফথ্যালিন
- ফেনফথ্যালিন (phenphotthalin)Translations
Chinese Cantonese 酚酞
- 酚酞 (fan¹ taai³)Translations
Chinese Mandarin 酚酞
- 酚酞 (fēntài)Translations
Danish fenolftalein
- fenolftaleinTranslations
Dutch fenolftaleïne
- fenolftaleïneTranslations
Finnish fenoliftaleiini
- fenoliftaleiiniTranslations
French phénolphtaléine
- phénolphtaléineTranslations
German Phenolphthalein
- PhenolphthaleinTranslations
Irish feanóltailéin
- feanóltailéinTranslations
Japanese フェノールフタレイン
- フェノールフタレイン (fenōfutarein)Translations
Korean 페놀프탈레인
- 페놀프탈레인 (penolpeutallein)Translations
Māori penopeirini
- penopeiriniTranslations
Persian فنولفتالئین
- فنولفتالئینTranslations
Polish fenoloftaleina
- fenoloftaleinaTranslations
Portuguese fenolftaleína
- fenolftaleínaTranslations
Romanian fenolftaleină
- fenolftaleinăTranslations
Spanish fenolftaleína
- fenolftaleínaTranslations
Vietnamese phenolphtalein
- phenolphtaleinTranslations
Cite this entry
APA
phenolphthalein. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/phenolphthalein
MLA
“phenolphthalein.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/phenolphthalein. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “phenolphthalein,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/phenolphthalein.
Source: phenolphthalein on Wiktionary, CC BY-SA 4.0.