Sesquitertian


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Ses`qui`ter´tian


a.1.(Math.) Having the ratio of one and one third to one (as 4 : 3).
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The method of analysis is closely numerical, involving not only line, word, and syllable counts, but an intensive deployment of duple, sesquialter, sesquitertian, sesquioctave, and extreme and mean ratios, and the assignment of numerical values to individual letters.