un cubic


having three dimensions; solid.
having the form of a cube; cubical.
pertaining to the measurement of volume: the cubic contents of a vessel.
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.
Mathematics. of or pertaining to the third degree.
Crystallography. belonging or pertaining to the isometric system of crystallization.
Mathematics. a cubic polynomial or equation.

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

cubicity [kyoo-bis-i-tee] , noun
subcubic, adjective
uncubic, adjective
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
cubic (ˈkjuːbɪk)
1.  having the shape of a cube
2.  a.  having three dimensions
 b.  cu., Abbreviation: c denoting or relating to a linear measure that is raised to the third power: a cubic metre
3.  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
4.  crystallog isometric, Also: regular 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)
5.  maths
 a.  a cubic equation, such as x³ + x + 2 = 0
 b.  a cubic term or expression

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin & History

1550s, from Fr. cubique (14c.), from L. cubicus, from Gk. kubikos, from kubos "cube" (see cube). Related: Cubical (1570s).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
cubic   (ky'bĭk)  Pronunciation Key 
  1. Referring to a volume unit of measurement.

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

  3. 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 © 2002. Published by Houghton Mifflin. All rights reserved.
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