To pronounce "castoreum", say CAST-or-eum — 3 syllables. Tap play below to hear it in four English accents, or practice it syllable by syllable.
castoreum
Tap to hear · American accent
Accent
If an accent sounds the same, your device is missing that voice — it falls back to the closest one.
Speed
Syllable by syllable — tap each one
Record yourself saying castoreum, then compare with the target. Your audio stays on this device — nothing is uploaded.
3
Syllables
9
Letters
CAST-or-eum
Say it like
"castoreum" has 3 syllables: cast-or-eum. It rhymes with pastorium, if that helps it stick.
Practicing rhymes trains the same ending sounds.
"Castoreum" has 3 syllables: cast · or · eum.
Want the definition, translations into 8 languages, and read-aloud for full sentences?
Open “castoreum” in the full dictionary →