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cube root

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

First recorded in 1690–1700
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use cube root in a sentence

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)
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

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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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