# 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.

- 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.

## Origin of cube^{1}

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

# cube^{2}

[kyoo-bey]

- any of several tropical plants of the legume family that are used in making fish poisons and insecticides.

Also cu·bé [kyoo-bey] /kyuˈbeɪ/.

## Origin of cube^{2}

First recorded in 1920–25; origin uncertain

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

## Examples from the Web for cube

### Contemporary Examples

#### Geometrically, it is a cube being forced into a rhomboid by the fault.

#### The cube was placed outside for passersby to see as part of the Venice Biennale in Venice, Italy.

Lady Gaga, John Lennon & More Celebs Doing Performance Art (VIDEO)Rachel Osman , Victoria Kezra

August 9, 2013

#### [I]n Westeros, the Lannisters have the cube of gold and the Tyrells with the rich farmland of the Reach have the real resources.

#### Whisk the cold butter cubes into the sauce, a cube at a time, until all the butter is incorporated.

#### And another asked for cube, fourth and fifth roots of a six-digit number.

### Historical Examples

#### Professor Johnson placed the cube gently on the machine's platform.

Two TimerFredric Brown

#### The square of any such number represents a surface, the cube a solid.

TimaeusPlato

#### Keep your eyes on me, for to look at the cube spells danger!

#### The second cube came back unchanged, except that it was newer, shinier.

Hall of MirrorsFredric Brown

#### I flicked the switch and opened the door, expecting to find the cube vanished.

Hall of MirrorsFredric Brown

# 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

- 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

## 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

## 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 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).

### 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.

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.

- 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.

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