noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   An interval whose frequency ratio is not 2:1 (that of the octave), but is perceived or treated as equivalent to this ratio, and whose pitches are considered equivalent to each other as with octave equivalency.

Etymology

From pseudo- + octave.

Editorial Guides For "pseudo-octave"

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.