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# cubic

[kyoo-bik] /ˈkyu bɪk/
1.
having three dimensions; solid.
2.
having the form of a cube; cubical.
3.
pertaining to the measurement of volume:
the cubic contents of a vessel.
4.
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.
5.
Mathematics. of or relating to the third degree.
6.
Crystallography. belonging or pertaining to the isometric system of crystallization.
noun
7.
Mathematics. a cubic polynomial or equation.
Origin of cubic
1490-1500
1490-1500; earlier cubik < Latin cubicus < Greek kybikós. See cube1, -ic
Related forms
cubicity
[kyoo-bis-i-tee] /kyuˈbɪs ɪ ti/ (Show IPA),
noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for cubic
Contemporary Examples
• Each year their fields need at least 53 billion cubic meters of water for irrigation.

October 4, 2014
• The conflict in Ukraine caused Gazprom to cut production volumes from 496.4 billion cubic meters to 463 billion cubic meters.

September 23, 2014
• The daughter had also been exposed and was comatose before she and her mother each received A 250 cubic centimeter transfusion.

• She grew increasingly ill despite a 450 cubic centimeter transfusion and became comatose after five days.

• They make a 0.75 cubic foot bag of firewood blazing with a Hotsticks logo.

Historical Examples
• To express the cubic content of a turnip, you must be all round it at once.

G. K. Chesterton
• A man will throw in from two to five cubic yards of dirt in one day.

John S. Hittell
• The dirt contained one cent and a fifth of gold in a cubic foot.

John S. Hittell
• In a cubic foot there will of course be 1728 times that number.

Amos Emerson Dolbear
• That a mass of ice about a cubic yard in size had fallen at Candeish, India, 1828.

Charles Fort
British Dictionary definitions for cubic

## cubic

/ˈkjuːbɪk/
1.
having the shape of a cube
2.
1. having three dimensions
2. denoting or relating to a linear measure that is raised to the third power: a cubic metre Abbreviation cu., c
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) Also isometric, 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)
noun
5.
(maths)
1. a cubic equation, such as x³ + x + 2 = 0
2. a cubic term or expression
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for cubic

1550s, from Middle French cubique (14c.), from Latin cubicus, from Greek kybikos, from kybos "cube" (see cube (n.)). Related: Cubical.

Online Etymology Dictionary, © 2010 Douglas Harper
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cubic in Science
 cubic   (ky'bĭk)    Referring to a volume unit of measurement.Involving a number or a variable that has been raised to the third power.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