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Meaning of tetrachord | Babel Free

Noun CEFR B2

Definitions

Any set of four different pitch classes.
A series of four sounds, forming a scale of two-and-a-half tones.

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

tetrachordo tetrachotomy tetrachromacy tetrachromat tetrachromate tetrachrome