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nontonal

adjective non·ton·al \ ˌnän-ˈtō-nᵊl \

Definition of nontonal

: not tonal: such as

a music : not having or based in a particular key : atonal

nontonal music

b linguistics : not using pitch to express differences of meaning between words

nontonal languages

First Known Use of nontonal

1922

in the meaning defined above

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