cube root

noun

Mathematics.

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

   The cube root of 64 is 4.

cube root

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 )

cube root

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

Word History and Origins

Origin of cube root¹

First recorded in 1690–1700