The Collaborative International Dictionary
Sesquitertian
Sesquitertian \Ses`qui*ter"tian\, Sesquitertianal \Ses`qui*ter"tian*al\, a. [Sesqui- + L. tertianus belonging to the third. Cf. Tertian.] (Math.) Having the ratio of one and one third to one (as 4 : 3).
Wiktionary
sesquitertian
a. (context mathematics English) Having the ratio of one and one third to one (as 4:3).
Usage examples of "sesquitertian".
The legs of spiders are made after a sesquitertian proportion, and the long legs of some locusts, double unto some others.