单词 | tetrachord |
释义 | tet·ra·chord (tĕtrə-kôrd′) n. Music A series of four diatonic tones encompassing the interval of a perfect fourth. [Greek tetrakhordon, from neuter of tetrakhordos, four-stringed : tetra-, tetra- + khordē, string; see gherə- in the Appendix of Indo-European roots.] tet′ra·chordal (-kôrdl) adj. |
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