Speakur

Word Pronunciation & Dictionary

sulfonephthalein

Word Rarity Very rare

Frequency: Zipf frequency 0.00 in modern English

Syllables
sul-foneph-thalein
IPA
27
Scrabble Score
16
Letters
3
Syllables
12
Unique Chars

Meaning

noun

Any of many sulfonic acids derived from phthaleins, some of which are important acid-base indicators.

Etymology

From sulfone + phthalein.

Inflected Forms

sulfonephthaleins (plural)

Phrases

bromocresol purple chlorophenol red phenol red thymol blue

Frequently Paired Words

bromocresol purple chlorophenol red phenol red thymol blue

Questions

What does sulfonephthalein mean?
Any of many sulfonic acids derived from phthaleins, some of which are important acid-base indicators.
Where does sulfonephthalein come from?
From sulfone + phthalein.

How to pronounce sulfonephthalein

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  2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
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  4. Repeat and practice — Say “sulfonephthalein” aloud, matching stress and vowels until it feels natural.