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bandonion

noun ban·do·ni·on \ ban-ˈdō-nē-ˌän \
variants: or bandoneon \ban-ˈdō-nē-ˌän\

Definition of bandonion

plural -s
:an accordion popular in South America having buttons for both treble and bass notes with each bass button representing or sounding a single note not a chord

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Origin and Etymology of bandonion

bandonion from German, from Heinrich Band, 19th century German musician, its inventor + German -on- (as in harmonika harmonica, accordion, from English harmonica) + -ion (as in akkordion accordion); bandoneon, from Spanish bandoneón, from German bandonion

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