QUADRIBLE
Quad"ri*ble, a.

Defn: Quadrable. [R.]

QUADRIC
Quad"ric, a. (Math.)

Defn: Of or pertaining to the second degree.

QUADRIC Quad"ric, n. (a) (Alg.) A quantic of the second degree. See Quantic. (b) (Geom.) A surface whose equation in three variables is of the second degree. Spheres, spheroids, ellipsoids, paraboloids, hyperboloids, also cones and cylinders with circular bases, are quadrics.

QUADRICAPSULAR
Quad`ri*cap"su*lar, a. Etym: [Quadri- + capsular.] (Bot.)

Defn: Having four capsules.

QUADRICEPS
Quad"ri*ceps, n. Etym: [NL., fr. L. qyattuor four + caput head.]
(Anat.)

Defn: The great extensor muscle of the knee, divided above into four parts which unite in a single tendon at the knee.

QUADRICIPITAL
Quad`ri*cip"i*tal, n. (Anat.)