Definition of tetrachord Tetrachord
tet•ra•chord
We found 3 definitions of tetrachord from 3 different sources.
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What does tetrachord mean?
Webster DictionaryWebster's Unabridged Dictionary 📘
- tetrachord (n.)
A scale series of four sounds, of which the extremes, or first and last, constituted a fourth. These extremes were immutable; the two middle sounds were changeable.
Chambers DictionaryChamber's 20th Century Dictionary 📕
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tetrachord
tet′ra-kord, n. a series of four sounds, forming a scale of two tones and a half.—adj. Tet′rachordal. [Gr. tetrachordos, four-stringed—tetra, for tetara=tessares, four, chordē, chord.]
