Definition of euphonium
: a brass instrument smaller than but resembling a tuba and having a range from B flat below the bass staff upward for three octaves
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Illustration of euphonium
Origin and Etymology of euphonium
Greek euphōnos + English -ium (as in harmonium)
First Known Use: 1865
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See words that rhyme with euphonium Britannica English: Translation of euphonium for Arabic speakers Britannica.com: Encyclopedia article about euphonium
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