octave

== English == === Etymology === From Latin octavus (“eighth”). Doublet of octavo, ochava, and oitava. === Pronunciation === (UK) IPA(key): /ˈɒktɪv/, /ˈɒkteɪv/ (US) IPA(key): /ˈɑktɪv/, /ˈɑkteɪv/ Rhymes: (UK) -ɒktɪv, (UK) -ɒkteɪv, (US) -ɑktɪv === Noun === octave (plural octaves) (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. 1870, The Night Hours of the Church, trans. Rev. J. M. Neale Of an Octave the Office is said. or at least commemorated, (when any Sunday or Feast intervene), for eight successive days. 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. ==== Abbreviations ==== (interval): P8 ==== Derived terms ==== ==== Related terms ==== octavo oct- octave key ==== Translations ==== ==== See also ==== interval unison second third fourth fifth sixth seventh Octave (disambiguation) on Wikipedia.Wikipedia Octave in the Encyclopædia Britannica (11th edition, 1911) === Verb === octave (third-person singular simple present octaves, present participle octaving, simple past and past participle octaved) Alternative form of octavate. === Adjective === octave (not comparable) (obsolete) Consisting of eight; eight in number. === Anagrams === avocet, vocate == French == === Pronunciation === === Noun === octave f (plural octaves) octave ==== Descendants ==== → Turkish: oktav → Occitan: octava === Further reading === “octave”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012 == Interlingua == === Pronunciation === IPA(key): /okˈta.ve/ === Adjective === octave eighth == Latin == === Numeral === octāve vocative masculine singular of octāvus