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
Words nearby cube root
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
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
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
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.