Octavation meaning

(music)
noun
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(rare)
noun
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(astrology, rare)
noun
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(mathematics) Conversion (of the expression of a number) from denary to octal notation.
noun
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Origin of octavation

  • First attested in 1922; probably formed as octav(e) +‎ -ation, but compare octavate.

    From Wiktionary