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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 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for cube root
Historical Examples
  • You might as well call it a dodecahedron, or the cube root of minus nothing.'

    'That Very Mab' May Kendall and Andrew Lang
  • I studied algebra this winter, and went as far as cube root.

  • The number one is a cube root of itself, and represents our own universe.

    Cube Root of Conquest Roger Phillips Graham
  • Square that quantity and you will get the third cube root of unity.

    Cube Root of Conquest Roger Phillips Graham
  • The root of life was the cube root; the measure of existence was square measure.

  • He used to give the cube root of numbers in the hundreds of millions the very moment when it was asked.

    Reincarnation Swami Abhedananda
  • Does a knowledge of botany necessarily involve a knowledge of square root and cube root?

  • The time of revolution varies as the square of the cube root of the distance (Kepler's third law).

    Pioneers of Science Oliver Lodge
  • The range in nautical miles of a green light apparently is proportional to the cube root of the candle-power.

    Artificial Light M. Luckiesh
  • Dismal visions of cube root and compound proportion came to torment her.

    Virginia of Elk Creek Valley

    Mary Ellen Chase
British Dictionary definitions for cube root

cube root

the number or quantity whose cube is a given number or quantity: 2 is the cube root of 8 (usually written ³√ 8 or 81⁄3)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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cube root in Science
cube root  
The number whose cube is equal to a given number. For example, the cube root of 125 is 5, since 53 = 125.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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