sesquitertia

sesquitertia

(ˌsɛskwɪˈtɜːʃə)
n
(Mathematics) the ratio of 4:3
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References in periodicals archive ?
3195): The System of Petitions, Macrosequences and Sesquitertia Ratio" by Antonio Armisen (47-72); "Knowledge and Power.
Cuadernos de filologia italiana
The fourth sign, ??, is associated with 12; it could stand for sesquitertia or diminution by a half (two documented alternatives), but by Occam's razor it most reasonably represents the fourth of the four prolations, namely, imperfect time and minor prolation (a third documented meaning).
Mensuration and Proportion Signs: Origins and Evolution
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