cubic

 
Pronunciation: /ˈkjuːbɪk/

adjective

  • 1having the shape of a cube: a cubic room
  • denoting a crystal system or three-dimensional geometrical arrangement having three equal axes at right angles: the sodium and chloride ions form two intersecting cubic structures
  • 2denoting a unit of measurement equal to the volume of a cube whose side is one of the linear units specified: 15 billion cubic metres of water
  • 3involving the cube (and no higher power) of a quantity or variable: a cubic equation

noun

Mathematics
  • a cubic equation, or a curve described by one.

Derivatives

cubical

adjective

cubically

adverb

Origin:

late 15th century (in the sense 'involving the cube (and no higher power)'): from Old French cubique, or via Latin from Greek kubikos, from kobos 'cube'