(third-person singular simple present octavates)
- (music) Sound one octave higher or lower.
- (mathematics, rare) Convert (the expression of a number) from denary to octal notation.
- (rare) octave (transfiguratively)
First attested in verbal use in 1922 and in nominal use in 2000; formed as octav(e) + -ate, in the musical sense after the French octavier.