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# cube root

noun, Mathematics.
1.
a quantity of which a given quantity is the cube:
The cube root of 64 is 4.
Origin of cube root
1690-1700
First recorded in 1690-1700
Dictionary.com 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.'

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.

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

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

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

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).

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

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

Mary Ellen Chase
British Dictionary definitions for cube root

## cube root

noun
1.
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