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adiaphon

noun
ad·​i·​a·​phon | \ ˈa-dē-ə-ˌfän\
plural -s

Definition of adiaphon

: a keyboard instrument resembling the adiaphonon but having tuning forks instead of steel bars

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First Known Use of adiaphon

1883, in the meaning defined above

History and Etymology for adiaphon

German, from New Latin adiaphonon

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The first known use of adiaphon was in 1883

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