octave
IPA: ˈɑktɪv
noun
- (music) An interval of twelve semitones spanning eight degrees of the diatonic scale, representing a doubling or halving in pitch frequency.
- (music) The pitch an octave higher than a given pitch.
- (music) 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)
- (poetry) A poetic stanza consisting of eight lines; usually used as one part of a sonnet.
- (fencing) The eighth defensive position, with the sword hand held at waist height, and the tip of the sword out straight at knee level.
- (Christianity) The day that is one week after a feast day in the Latin rite of the Catholic Church.
- (Christianity) An eight-day period beginning on a feast day in the Latin rite of the Catholic Church.
- A small cask of wine, one eighth of a pipe.
- (mathematics, obsolete) An octonion.
- (signal processing) Any of a number of coherent-noise functions of differing frequency that are added together to form Perlin noise.
- (astrology) The subjective vibration of a planet.
verb
- Alternative form of octavate [(music) To sound one octave higher or lower.]
adjective
- (obsolete) Consisting of eight; eight in number.
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Examples of "octave" in Sentences
- The unison and octave are in every tuning.
- The second is octave equivalent to the ninth.
- Inversion of diatonic intervals at the octave.
- The melody features the augmented octave scale.
- The fourth is octave equivalent to the eleventh.
- The sixth is octave equivalent to the thirteenth.
- The octave was abrogated in 1955 along with other octaves.
- The ascension of aroha is in the lower and middle octaves.
- The rest of the tuning stop is tuned to itself, in octaves.
- The seventh octave is the last octave at the top of a piano.