euphonium

From Ancient Greek εὔφωνος (eúphōnos, “sweet-voiced”) + -ium.

• IPA^(key): /juːˈfəʊnɪəm/

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• Rhymes: -əʊniəm

euphonium (plural euphoniums)

1. A valved brass instrument with conical tubing similar in appearance to a tuba but of higher pitch.
   • 1982, Douglas Adams, Life, the Universe and Everything, page 68:

     [T]hey could easily have been wearing euphoniums and woad for all the notice their quarry would have taken of them.

• euphoniumist