sesquialtera

sesquialtera
[ˌsɛskwɪˈalt(ə)rə]
adjective
  1. [attrib.](Music)relating to or denoting a ratio of 3:2, as in an interval of a fifth
    (乐)黑米奥拉比例;三比二
    ■denoting a mixture stop in an organ, typically consisting of two ranks of narrow-scaled open flue pipes
    西斯基阿尔特拉音栓
语源
  1. late Middle English: from Latin, feminine of sesquialter, from sesqui (see sesqui-) + alter 'second'
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