I. ˈkyü-bik adjective
Date: 15th century
1. : having the form of a cube : cubical
2.
a. : relating to the cube considered as a crystal form
b. : isometric 1
3.
a. : three-dimensional
b. : being the volume of a cube whose edge is a specified unit
cubic inch
4. : of third degree, order, or power
a cubic polynomial
II. noun
Date: 1799
: a cubic curve, equation, or polynomial