# pitch class

> English word · Noun

## Definitions
1. An equivalence class of all pitches that are octaves apart, and which would be labeled by an integer, not a traditional letter name.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/pitch-class