Defn: The red oxide of copper; red copper; an important ore of copper, occurring massive and in isometric crystals.

CUPROID
Cu"proid (k"proid), n. Etym: [Cuprum + -oid.]

Defn: (Crystalloq.) A solid related to a tetrahedron, and contained under twelve equal triangles.

CUP-ROSE
Cup"-rose (kp"rz), n.

Defn: Red poppy. See Cop-rose.

CUPROUS
Cu"prous (k"prs), a. Etym: [From Cuprum.] (Chem.)

Defn: Of, pertaining to, or derived from, copper; containing copper; — said of those compounds of copper in which this element is present in its highest proportion.

CUPRUM
Cu"prum (k"prm), n. Etym: [L.] (Chem.)

Defn: Copper.

CUP SHAKE
Cup shake. (Forestry)