[ kyoob ]
/ kyub /
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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.
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.
verb (used with object), cubed, cub·ing.
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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Question 1 of 7
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Origin of cube1
First recorded in 1350–1400; Middle English cubus, from Latin, from Greek kýbos “cube, die”
OTHER WORDS FROM cubecuber, noun
Other definitions for cube (2 of 2)
[ kyoo-bey ]
/ ˈkyu beɪ /
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 cube2
First recorded in 1920–25; from Latin American Spanish cubé; further origin uncertain
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use cube in a sentence
A quarter-cup of ketchup helps coat crunchy cubes of tofu in a tangy, sweet, spicy and bright red-orange sauce.The secret ingredient in these 5 recipes? Ketchup!|Kari Sonde|January 14, 2021|Washington Post
He showed, among other things, that to find the roots of any sixth-degree polynomial equation, you only need the usual arithmetic operations, some square and cube roots, and an algebraic formula that depends on only two parameters.Mathematicians Resurrect Hilbert’s 13th Problem|Stephen Ornes|January 14, 2021|Quanta Magazine
Imagine an ant on one corner of a cube who wants to get to the opposite corner.The Crooked Geometry of Round Trips|Patrick Honner|January 13, 2021|Quanta Magazine
You knew you were at one that really cared about details when you got a drink containing one of those hand-chiseled, perfectly sized for the glass, crystal-clear ice cubes.Smaller bowl, same punch: Scaling down New Year’s drinks for one or two|M. Carrie Allan|December 18, 2020|Washington Post
They’re also like shape-shifting mega-Rubik’s cubes in that their 3D structure can change depending on the state of the body.DeepMind’s AlphaFold Is Close to Solving One of Biology’s Greatest Challenges|Shelly Fan|December 15, 2020|Singularity Hub
British Dictionary definitions for cube (1 of 2)
/ (kjuːb) /
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
Derived forms of cubecuber, noun
Word Origin for cube
C16: from Latin cubus die, cube, from Greek kubos
British Dictionary definitions for cube (2 of 2)
/ (ˈkjuːbeɪ) /
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 for cube
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
Scientific definitions for 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.