sesquitertianal
Ses`qui*ter"tian, Ses`qui*ter"tian*al, a. Etym: [Sesqui- + L. tertianus belonging to the third. Cf. Tertian.] (Math.) Defn: Having the ratio of one and one third to one (as 4 : 3).
Ses`qui*ter"tian, Ses`qui*ter"tian*al, a. Etym: [Sesqui- + L. tertianus belonging to the third. Cf. Tertian.] (Math.) Defn: Having the ratio of one and one third to one (as 4 : 3).