Cubic

adjective
1.
having three dimensions; solid.
2.
having the form of a cube; cubical.
3.
pertaining to the measurement of volume:
the cubic contents of a vessel.
4.
pertaining to a unit of linear measure that is multiplied by itself twice to form a unit of measure for volume:
cubic foot; cubic centimeter; cubic inch; cubic meter.
5.
Mathematics. of or relating to the third degree.
6.
Crystallography. belonging or pertaining to the isometric system of crystallization.
noun
7.
Mathematics. a cubic polynomial or equation.
adjective
1.
having the shape of a cube
2.

having three dimensions
denoting or relating to a linear measure that is raised to the third power: a cubic metre Abbreviation cu., c

3.
(maths) of, relating to, or containing a variable to the third power or a term in which the sum of the exponents of the variables is three
4.
(crystallog) Also isometric, regular. relating to or belonging to the crystal system characterized by three equal perpendicular axes. The unit cell of cubic crystals is a cube with a lattice point at each corner (simple cubic) and one in the cube’s centre (body-centred cubic), or a lattice point at each corner and one at the centre of each face (face-centred cubic)
noun
5.
(maths)

a cubic equation, such as x³ + x + 2 = 0
a cubic term or expression

cubic
(ky’bĭk)

Referring to a volume unit of measurement.

Involving a number or a variable that has been raised to the third power.

Relating to a crystal having three axes of equal length intersecting at right angles. The mineral pyrite has cubic crystals. Also called isometric. See illustration at crystal.