Defn: A salt derived from a sesquioxide base, or made up on the proportions of a sesqui compound.
SESQUISULPHIDE
Ses`qui*sul"phide, n. Etym: [Sesqui- + sulphide.] (Chem.)
Defn: A sulphide, analogous to a sesquioxide, containing three atoms of sulphur to two of the other ingredient; — formerly called also sesquisulphuret; as, orpiment, As2S3 is arsenic sesquisulphide.
SESQUITERTIAL
Ses`qui*ter"tial, a.
Defn: Sesquitertian.
SESQUITERTIAN; 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).
SESQUITONE
Ses"qui*tone, n. Etym: [Sesqui- + tone.] (Mus.)
Defn: A minor third, or interval of three semitones.
SESS
Sess, v. t. Etym: [Aphetic form of assess. See Assess, Cess.]