cube root

American  

noun

Mathematics.

1. a quantity of which a given quantity is the cube.

   The cube root of 64 is 4.

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cube root British  

noun

1. the number or quantity whose cube is a given number or quantity: 2 is the cube root of 8 (usually written ³√ 8 or 8 ^1⁄3 )

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cube root Scientific  

1. The number whose cube is equal to a given number. For example, the cube root of 125 is 5, since 5 ³ = 125.

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Etymology

Origin of cube root

First recorded in 1690–1700

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Example Sentences

See Examples For:

cube root

Mary: The cube root of 2,197 is 13.

From Scientific American ● Nov. 25, 2020

The next example involves a cube root and so will require different thinking.

From Textbooks ● May 6, 2020

Remember that a fractional exponent is calling for the nth root of the number thus an exponent of 1/3 is the cube root of the number.

From Textbooks ● Nov. 29, 2017

More notably, 2017 is the smallest whole number whose cube root begins with ten distinct digits:

From The Guardian ● Jan. 2, 2017

Mr. Hinman was the Faculty, and he was sufficiently numerous to demonstrate cube root with one hand and maintain discipline with the other.

From The Wit and Humor of America, Volume II. (of X.) by Marshall Pinckney Wilder

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