QUADRIN Quad"rin, n. Etym: [OF., fr. L. quadrini four each, fr. quattuor four.]
Defn: A small piece of money, in value about a farthing, or a half cent. [Obs.]
QUADRINODAL
Quad`ri*nod"al, a. Etym: [Quadri- + nodal.] (Math.)
Defn: Possessing four nodes; as, quadrinodal curves.
QUADRINOMIAL Quad`ri*no"mi*al, n. Etym: [Quadri- + nomial, as in binomial: cf. F. quadrinôme.] (Alg.)
Defn: A polynomial of four terms connected by the signs plus or minus.
QUADRINOMICAL
Quad`ri*nom"ic*al, a.
Defn: Quadrinomial.
QUADRINOMINAL
Quad`ri*nom"i*nal, a. Etym: [Quadri- + nominal.] (Alg.)
Defn: Quadrinomial. Sir W. R. Hamilton.