octavate

octavateverb詞源 1/ˈɒktəveɪt/

• 1

  entertainmentlifestylemusicTo sound one octave higher or lower.

  • The string, originally divided, will continue for some time to “octavate”.
  • Adolphe Sax, when he invented the saxophone, had at first only in mind the object of improving the clarinet by permitting it to ‘octavate.’
• 2

  entertainmentlifestylemusicTo sound one octave higher or lower.

  • Ability to ornament, octavate, play chords and do some improvising.
  • He varies and octavates, leaving Bach listeners thunderstruck.
• 3

  rareentertainmentlifestylemusicTo sound one octave higher or lower.

  • A 12-string doubles the octaves of only the lower four strings…. A doubled, capoed guitar “octavates up” the top two strings.
• 4

  raremathematicssciencesTo convert (the expression of a number) from denary to octal notation.

  • To octavate the number one hundred the reasoning is as follows. The square of eight goes into one hundred once with remainder thirty-six. This remainder contains eight to the first power four times with remainder four. Hence to express one hundred to the base 8 we write the digits 144 which in somewhat longer form may be put as 100 = 1×8² + 4×8 + 4.

octavatenoun詞源 2

• 1

  rareoctave (transfiguratively)

  • There is an octavate of odours as well as octavates of notes in music. Like the keys of instruments, certain odours coincide or blend.