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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. 2017.
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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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