[ kyoo-bik ]
See synonyms for cubic on
  1. having three dimensions; solid.

  2. having the form of a cube; cubical.

  1. pertaining to the measurement of volume: the cubic contents of a vessel.

  2. pertaining to a unit of linear measure that is multiplied by itself twice to form a unit of measure for volume: cubic foot; cubic centimeter; cubic inch; cubic meter.

  3. Mathematics. of or relating to the third degree.

  4. Crystallography. belonging or pertaining to the isometric system of crystallization.

  1. Mathematics. a cubic polynomial or equation.

Origin of cubic

1490–1500; earlier cubik<Latin cubicus<Greek kybikós.See cube1, -ic

Other words from cubic

  • cu·bic·i·ty [kyoo-bis-i-tee], /kyuˈbɪs ɪ ti/, noun
  • sub·cu·bic, adjective
  • un·cu·bic, adjective

Words Nearby cubic Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use cubic in a sentence

British Dictionary definitions for cubic


/ (ˈkjuːbɪk) /

  1. having the shape of a cube

    • having three dimensions

    • denoting or relating to a linear measure that is raised to the third power: a cubic metre Abbreviation: cu., c

  1. maths of, relating to, or containing a variable to the third power or a term in which the sum of the exponents of the variables is three

  2. Also: isometric, regular crystallog relating to or belonging to the crystal system characterized by three equal perpendicular axes. The unit cell of cubic crystals is a cube with a lattice point at each corner (simple cubic) and one in the cube's centre (body-centred cubic), or a lattice point at each corner and one at the centre of each face (face-centred cubic)

  1. maths

    • a cubic equation, such as x ³ + x + 2 = 0

    • a cubic term or expression

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for cubic


[ kyōōbĭk ]

  1. Referring to a volume unit of measurement.

  2. Involving a number or a variable that has been raised to the third power.

  1. Relating to a crystal having three axes of equal length intersecting at right angles. The mineral pyrite has cubic crystals. Also called isometric See illustration at crystal.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.