**Cu"bic** (k?"b?k), **Cu"bic*al** (-b?-kal), a. [L. *cubicus*, Gr. : cf.F. *cubique*. See Cube.]

**1.**

Having the form or properties of a cube; contained, or capable of being contained, in a cube.

**2.** Crystallog.

Isometric or monometric; as, **cubic** cleavage. See Crystallization.

Cubic equation, an equation in which the highest power of the unknown quantity is a cube. -- Cubic foot, a volume equivalent to a cubical solid which measures a foot in each of its dimensions. -- Cubic number, a number produced by multiplying a number into itself, and that product again by the same number. See Cube. -- Cubical parabola Geom., two curves of the third degree, one plane, and one on space of three dimensions.

© Webster 1913.

**Cu"bic**, n. Geom.

A curve of the third degree.

Circular cubic. See under Circular.

© Webster 1913.