'Cubic equation' definitions:

Definition of 'Cubic equation'

From: GCIDE
  • Cubic \Cu"bic\ (k?"b?k), Cubical \Cu"bic*al\ (-b?-kal), a. [L. cubicus, Gr. ?????: cf. F. cubique. See Cube.]
  • 1. Having the form or properties of a cube; contained, or capable of being contained, in a cube. [1913 Webster]
  • 2. (Crystallog.) Isometric or monometric; as, cubic cleavage. See Crystallization. [1913 Webster]
  • Cubic equation, an equation in which the highest power of the unknown quantity is a cube.
  • Cubic foot, a volume 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 again by the same number. See Cube.
  • Cubical parabola (Geom.), two curves of the third degree, one plane, and one on space of three dimensions. [1913 Webster]