Speakur

Word Pronunciation & Dictionary

phenolphthalein

/ˌfi.nl̩ˈθæl.i.ɪn/

Word Rarity Very rare

Frequency: Zipf frequency 1.56 in modern English

Syllables
phe-nolph-thalein
IPA
/ˌfi.nl̩ˈθæl.i.ɪn/
28
Scrabble Score
15
Letters
4
Syllables
9
Unique Chars

Meaning

noun

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.

Countable; Uncountable

Example Sentences

Etymology

From phenol + phthalein.

Regional Pronunciation

  • American English: /ˌfi.nl̩ˈθæl.i.ɪn/
  • British English: /ˌfiː.nɒlˈ(f)θa.liːn/

Usage

Inflected Forms

phenolphthaleins (plural)

Derived Forms

iodophthalein tetrabromophenolphthalein tetrachlorophenolphthalein

Frequently Paired Words

phenolphthalin

Rhymes With

venezuelan galen alun whalen balan malan galan kalen kalan bailon taillon calan

Questions

How do you pronounce phenolphthalein?
The recorded pronunciation is /ˌfi.nl̩ˈθæl.i.ɪn/.
What does phenolphthalein mean?
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.
Where does phenolphthalein come from?
From phenol + phthalein.

How to pronounce phenolphthalein

  1. Open the pronunciation page — Open the Speakur entry for “phenolphthalein”.
  2. Read the phonetic spelling — Read the IPA spelling (/ˌfi.nl̩ˈθæl.i.ɪn/) so you know which sounds to aim for.
  3. Play the audio — Click Play to hear reference audio for “phenolphthalein”.
  4. Repeat and practice — Say “phenolphthalein” aloud, matching stress and vowels until it feels natural.