To pronounce "sulfonephthalein", say SULF-on-ephth-al-ein — 5 syllables. Tap play below to hear it in four English accents, or practice it syllable by syllable.
sulfonephthalein
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5
Syllables
16
Letters
SULF-on-ephth-al-ein
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"sulfonephthalein" has 5 syllables: sulf-on-ephth-al-ein.
"Sulfonephthalein" has 5 syllables: sulf · on · ephth · al · ein.
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