Definition of euphonium in English:


Syllabification: eu·pho·ni·um
Pronunciation: /yo͞oˈfōnēəm


  • A valved brass musical instrument resembling a small tuba of tenor pitch, played mainly in military and brass bands.
    More example sentences
    • Heckelphone, ondes-martenot, tubax, contrabassoon, serpent, octobasse, flugelhorn, euphonium are examples of musical instruments whose sex appeal does not live up to their exotic sounding names.
    • The euphonium differs from the B baritone saxhorn at the same pitch in being considerably wider in bore.
    • John also played the euphonium and the tuba with the Wiltshire Constabulary's band and the Wessex Wind Band.


mid 19th century: from Greek euphōnos 'having a pleasing sound' + -ium.

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