cube root


noun Mathematics.

a quantity of which a given quantity is the cube: The cube root of 64 is 4.

Origin of cube root

First recorded in 1690–1700

Words nearby cube root

Example sentences from the Web for cube root

  • How many litres of champagne can be extracted from the cube-root of one turnip?

    This Giddy Globe |Oliver Herford
  • Adieu, beloved grammar; and farewell, most fragrant extract of cube-root, as well as birch-oil.

    The Old Woman Who Lived in a Shoe |Amanda Minnie Douglas
  • I'd rather have let cube-root go and have kept more of my imagination.

    August First |Mary Raymond Shipman Andrews and Roy Irving Murray

British Dictionary definitions for cube root

cube root

noun

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)

Scientific definitions for cube root

cube root

The number whose cube is equal to a given number. For example, the cube root of 125 is 5, since 53 = 125.