Definition of tetrachord in English:


Syllabification: tet·ra·chord
Pronunciation: /ˈtetrəˌkôrd


  • 1A scale of four notes, the interval between the first and last being a perfect fourth.
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    • It's written in a kind of pastiche nineteenth-century style, complete with faux-Spanish exotic syncopations, melody and harmony (falling tetrachords, augmented seconds).
    • There are instances, however, where scale-motion rather conspicuously predominates, or where a melody is made largely of scale segments - of half-scales or tetrachords, for example.
    • The sets are closely connected through numerous common and transpositionally or inversionally related segments, usually dyads, trichords and/or tetrachords.
  • 1.1 historical A musical instrument with four strings.
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    • A common instrument from those times was the tetrachord, a kind of four-stringed harp.

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Word of the day coloratura
Pronunciation: ˌkələrəˈto͝orə
elaborate ornamentation of a vocal melody