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sesquitertia. In DICTIOUS you will not only get to know all the dictionary meanings for the word
sesquitertia, but we will also tell you about its etymology, its characteristics and you will know how to say
sesquitertia in singular and plural. Everything you need to know about the word
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English
Noun
sesquitertia (countable and uncountable, plural sesquitertias)
- (obsolete) A ratio of 4 to 3.
- 1570, John Dee, in H. Billingsley (trans.) Euclid, Elements of Geometry, Preface:
- For, what proportion, 100 hath to 75: the same hath 17 1/7 to 12 6/7: Which is Sesquitertia: that is, as 4, to 3. which make 7.
- (music, obsolete) A perfect fourth, an interval having the ratio of 1 to 1⅓, or 3 to 4.