one-line octave

noun

Definition of one-line octave 

: the musical octave beginning with and ascending from middle C — see pitch illustration

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First Known Use of one-line octave

circa 1931, in the meaning defined above

History and Etymology for one-line octave

so called from the one accent mark of the symbol C′ representing middle C

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The first known use of one-line octave was circa 1931

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