# cube^{1}

[kyoob]

- a solid bounded by six equal squares, the angle between any two adjacent faces being a right angle.
- an object, either solid or hollow, having this form or a form approximating it: a cube of cheese; plastic storage cubes.
- sugar cube.
- flashcube.
- Mathematics. the third power of a quantity, expressed as a3 = a·a·a.
- Informal. cubic inch, especially as a measure of the displacement of an automotive engine: a new sports car with 350 cubes.
- Slang. one of a pair of dice; die.
- Slang. a person who is unaware of or unfamiliar with current ideas, opinions, trends, etc.; square.

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- to make into a cube or cubes.
- to cut into cubes.
- Mathematics. to raise to the third power.
- to measure the cubic contents of.
- to tenderize (a thin cut or slice of meat) by scoring the fibers in a pattern of squares.

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## Origin of cube^{1}

1350–1400; Middle English cubus < Latin < Greek kýbos cube, die

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

# cube^{1}

- a solid having six plane square faces in which the angle between two adjacent sides is a right angle
- the product of three equal factors: the cube of 2 is 2 × 2 × 2 (usually written 2³)
- something in the form of a cubea bath cube

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- to raise (a number or quantity) to the third power
- (tr) to measure the cubic contents of
- (tr) to make, shape, or cut (something, esp food) into cubes
- (tr) US and Canadian to tenderize (meat) by scoring into squares or by pounding with a device which has a surface of metal cubes

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## Word Origin

C16: from Latin cubus die, cube, from Greek kubos

# cube^{2}

- any of various tropical American plants, esp any of the leguminous genus Lonchocarpus, the roots of which yield rotenone
- an extract from the roots of these plants: a fish poison and insecticide

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## Word Origin

American Spanish cubé, of unknown origin

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

## Word Origin and History for cuber

# cube

### n.

1550s, from Middle French cube (13c.) and directly from Latin cubus, from Greek kybos "a cube, a six-sided die, vertebra," perhaps from PIE root *keu(b)- "to bend, turn." Mathematical sense is from 1550s in English (it also was in the ancient Greek word: the Greeks threw with three dice; the highest possible roll was three sixes).

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# cube

### v.

1580s in the mathematical sense; 1947 with meaning "cut in cubes," from cube (n.). The Greek verbal derivatives from the noun all referred to dice-throwing and gambling. Related: Cubed; cubing.

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Online Etymology Dictionary, © 2010 Douglas Harper

# cube

[kyōōb]

- To multiply a number or a quantity by itself three times; raise to the third power. For example, five cubed is 5 X 5 X 5.

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- The product that results when a number or quantity is cubed. For example, the cube of 5 is 125.
- A solid having six equal square faces or sides.

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