cubic

American  

[kyoo-bik] / ˈkju bɪk /

adjective

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.

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noun

1. Mathematics. a cubic polynomial or equation.

cubic British  

/ ˈkjuːbɪk /

adjective

1. having the shape of a cube

2. 1. having three dimensions

   2. Abbreviation: cu., 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. 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 )

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noun

1. maths

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

   2. a cubic term or expression

cubic Scientific  

/ kyo̅o̅′bĭk /

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.

4. Also called isometric

5. See illustration at crystal

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Other Word Forms

• cubicity
  noun
• subcubic
  adjective
• uncubic
  adjective

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Etymology

Origin of cubic

1490–1500; earlier cubik < Latin cubicus < Greek kybikós. See cube ¹, -ic

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Example Sentences

See Examples For:

cubic

His vision eventually led to the IceCube Neutrino Observatory, a gigantic scientific instrument embedded within roughly one cubic kilometer of Antarctic ice.

From Science Daily ● Nov. 2, 2026

This propelled further gas exploration both onshore and offshore, with the largest single discovery of 2.7 trillion cubic feet of natural gas in 2016.

From BBC ● Oct. 28, 2026

Neither one will put a cubic foot of gas in a New England furnace before the snow melts.

From MarketWatch ● Oct. 28, 2026

Newport Beach said about 30 to 40 trucks have been moving sand from an area above Prado Dam to The Wedge, with the goal of moving 2,000 cubic yards by Saturday.

From Los Angeles Times ● Oct. 24, 2026

Modern Sapiens sport a brain averaging 73–85 cubic inches.

From "Sapiens: A Brief History of Humankind" by Yuval Noah Harari

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Related Words

• cuboid
• cuboidal

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