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

Example Sentences

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

From Scientific American • Nov. 25, 2020

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

From The Guardian • Jan. 2, 2017

Since we say that 2 is the cube root of 8.

From Textbooks • Feb. 13, 2015

For example, the domain and range of the cube root function are both the set of all real numbers.

From Textbooks • Feb. 13, 2015

The ladies requested him to put a simple mathematical question to the table, and complying with their request, he asked for the cube root of 4.

From Clever Hans (The horse of Mr. Von Osten): A contribution to experimental animal and human psychology by Pfungst, Oskar