To pronounce "radio-luminous", say RAD-iol-um-in-ous — 5 syllables. Tap play below to hear it in four English accents, or practice it syllable by syllable.
radio-luminous
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5
Syllables
14
Letters
RAD-iol-um-in-ous
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"radio-luminous" has 5 syllables: rad-iol-um-in-ous.
"Radio-luminous" has 5 syllables: rad · iol · um · in · ous.
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