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

Susan: No, the cube root of 2,197 is 14.

From Scientific American ● Nov. 25, 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

Figure 21 For the cube root function the domain and range include all real numbers.

From Textbooks ● Feb. 13, 2015

Life's simpler arithmetical demands certainly do not include matters like the rules for finding cube root or true discount, which no sensible person uses.

From The Psychology of Arithmetic by Edward L. (Edward Lee) Thorndike

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