Science and Mathematics
- Cube (algebra), "cubic" measurement
- Cube, a three-dimensional solid object bounded by six square faces, facets or sides, with three meeting at each vertex
- Cubic crystal system, a crystal system where the unit cell is in the shape of a cube
- Cubic equation (mathematics), an equation of degree three
- Cubic form A homogeneous polynomial of degree 3
- Cubic function (mathematics), a polynomial of degree three
- Cubic graph (mathematics - graph theory), a graph where all vertices have degree 3
- Cubic plane curve (mathematics), a plane algebraic curve C defined by a cubic equation
- Cubic reciprocity (mathematics - number theory), a theorem analogous to quadratic reciprocity
- Cubic surface, an algebraic surface in three-dimensional projective space
- Cubic zirconia (or Cubic zirconium), in geology, a mineral that is widely synthesized for use as a diamond simulant
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