Octave meaning

ŏktĭv, -tāv
Frequency:
The definition of an octave is a progression of eight notes on a musical scale, or the notes at the beginning and end of the progression.

Two musical notes which are eight tones apart on a scale are an example of an octave.

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A rotating parry in fencing.
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A group of eight lines of verse; specif., the first eight lines of a Petrarchan sonnet.
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Any group of eight.
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Producing tones an octave higher.

An octave key.

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(poetry) A poetic stanza consisting of eight lines; usually used as one part of a sonnet.
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A group or series of eight.
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A position of thrust or parry in which the hand is rotated with the palm up.
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Consisting of eight, or an octave.
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(music) An interval of twelve semitones spanning eight degrees of the diatonic scale, representing a doubling or halving in pitch.

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

The singer was known for astounding clarity over her entire five-octave range.

The octave has a pitch ratio of 2:1.

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(music) The pitch an octave higher than a given pitch.

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

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(fencing) The eighth defensive position, with the sword hand held at waist height, and the tip of the sword out straight at knee level.
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A small cask of wine, one eighth of a pipe.
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(obsolete) Consisting of eight; eight in number.

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(Christianity) The day that is one week after a feast day in the Latin Rite of the Catholic Church.
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(Christianity) An eight day period beginning on a feast day in the Latin Rite of the Catholic Church.
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Origin of octave

  • Middle English eighth day after a feast day from Old French from Medieval Latin octāva (diēs) from Latin feminine of octāvus eighth from octō eight oktō(u) in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin octavus (“eighth").

    From Wiktionary