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Octave

/ˈɒkteɪv/

An interval of twelve semitones spanning eight degrees of the diatonic scale, representing a doubling or halving in pitch frequency.

📖 Definitions of "Octave"

noun
  1. 1

    An interval of twelve semitones spanning eight degrees of the diatonic scale, representing a doubling or halving in pitch frequency.

    "The melody jumps up an octave at the beginning, then later drops back down an octave."

  2. 2

    The pitch an octave higher than a given pitch.

    "The bass starts on a low E, and the tenor comes in on the octave."

  3. 3

    A coupler on an organ which allows the organist to sound the note an octave above the note of the key pressed (cf sub-octave)

  4. 4

    A poetic stanza consisting of eight lines; usually used as one part of a sonnet.

adjective
  1. 1

    Consisting of eight; eight in number.

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