Word Origin

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 a 3 = 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. Show More

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. Show More

Origin of cube ^{1} 1350–1400; Middle English cubus < Latin < Greek kýbos cube, die

Related forms cub·er , noun Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for cuber 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 cube a bath cube Show More

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 Show More

Word Origin for cube C16: from Latin cubus die, cube, from Greek kubos

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 Show More

Word Origin for cube American Spanish cubé, of unknown origin

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for cuber 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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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

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. Show More

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. Show More

The American Heritage® Science Dictionary
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