Cū'bic or Cū'bic-al, a.

adjective

a. [Fr. cubique, Lat. cubicus, Gr. κυβικός. See CUBE.]

  1. Having the form or properties of a cube; contained, or capable of being contained, in a cube.
  2. (Crystallog.) Monometric or tessaral. See CRYSTALLIZATION.

Cubic equation, an equation in which the highest power of the unknown quantity is a cube.—Cubic foot, a solid foot, 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 by the same number; or a number arising from the multiplication of a square number by its root. See CUBE.