sesquitertia

S1E1S1Q10U1I1T1E1R1T1I1A1

noun

A ratio of 4 to 3.

Scrabble 21
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Meanings

nounsesquitertia (countable and uncountable, plural sesquitertias)

plural sesquitertias

  1. countableobsoleteuncountableA ratio of 4 to 3.

    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.

    1570, John Dee, in H. Billingsley (trans.) Euclid, Elements of Geometry, Preface
  2. countableobsoleteuncountableentertainmentA perfect fourth, an interval having the ratio of 1 to 1⅓, or 3 to 4.
Cite this entry
APA

sesquitertia. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/sesquitertia

MLA

“sesquitertia.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sesquitertia. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “sesquitertia,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/sesquitertia.

Source: sesquitertia on Wiktionary, CC BY-SA 4.0.