3. (Alg.)
Defn: Pertaining to terms of the second degree; as, a quadratic equation, in which the highest power of the unknown quantity is a square.
QUADRATICS
Quad*rat"ics, n. (Alg.)
Defn: That branch of algebra which treats of quadratic equations.
QUADRATOJUGAL Quad*ra`to*ju"gal, a. (Anat.) (a) Of or pertaining to the quadrate and jugal bones. (b) Of or pertaining to the quadratojugal bone. — n.
Defn: The quadratojugal bone. Quadratojugal bone (Anat.), a bone at the base of the lower jaw in many animals.
QUADRATRIX
Quad*ra"trix, n.; pl. -trixes, or -trices. Etym: [NL.] (Geom.)
Defn: A curve made use of in the quadrature of other curves; as the quadratrix, of Dinostratus, or of Tschirnhausen.
QUADRATURE
Quad"ra*ture, n. Etym: [L. quadratura: cf. F. quadrature. See
Quadrate, a.]
1. (Math.)