(algebraic geometry) A cubic curve.

(geometry) Used in the names of units of volume formed by multiplying a unit of length by itself twice.

(algebraic geometry) Of a class of polynomial of the form a x 3 + b x 2 + c x + d {\displaystyle ax^{3}+bx^{2}+cx+d}

(crystallography) Having three equal axes and all angles 90°.