# cubic

[ kyoo-bik ]

/ ˈkyu bɪk /

### adjective

### noun

Mathematics. a cubic polynomial or equation.

## RELATED WORDS

## Nearby words

- cube farm,
- cube root,
- cube steak,
- cube van,
- cubeb,
- cubic centimeter,
- cubic measure,
- cubic zirconia,
- cubical,
- cubically

## Origin of cubic

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

## Examples from the Web for cubic

## cubic

/ (ˈkjuːbɪk) /

### adjective

having the shape of a cube

- having three dimensions
- denoting or relating to a linear measure that is raised to the third powera cubic metre Abbreviation: cu., c

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

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)

### noun

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

## 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

## cubic

[ kyōō′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
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.