## cubic

cu·bic- having the shape of a cube
- having three dimensions, or having the volume of a cube whose length, width, and depth (or height) each measure the given unit: a
*cubic*foot - designating or of a crystal system having three axes of equal length, each of which intersects at right angles with the others
- Math. of the third power or degree; relating to the cubes of numbers or quantities

Origin of cubic

Middle English*cubik*; from Old French

*cubique*; from Classical Latin

*cubicus*; from Classical Greek

*kybikos*: see cube

## cubic

adjective

**a.**Having the shape of a cube.**b.**Shaped similar to a cube.**a.**Having three dimensions.**b.***Abbr.***c**or**cu.**Having a volume equal to a cube whose edge is of a stated length:*a cubic foot.*-
*Mathematics*Of the third power, order, or degree. - Of or relating to a crystalline form that has three equal axes at right angles to each other; isometric.

noun

*Mathematics*

A cubic expression, curve, or equation.

*Related Forms:*

**cu′bic·ly**adverb

## cubic

Adjective

(*not comparable*)

- (geometry) Used in the names of units of volume formed by multiplying a unit of length by itself twice.
*cubic metre, cubic foot*

- (algebraic geometry) Of a class of polynomial of the form
- (crystallography) Having three equal axes and all angles 90°.
*cubic cleavage*

Noun

(*plural* cubics)

- (algebraic geometry) A cubic curve.

Origin

From Middle French *cubique*