square root
noun
a quantity of which a given quantity is the square: The quantities +6 and −6 are square roots of 36 since (+6)×(+6)=36 and (−6)×(−6)=36.
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Origin of square root
First recorded in 1550–60
Words nearby square root
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for square root
On a similar plan a tapering wedge acts as a square-root extractor, displacing water as the square of its depth of immersion.
Inventors at Work|George Iles
British Dictionary definitions for square root
square root
noun
a number or quantity that when multiplied by itself gives a given number or quantity2 is a square root of 4, usually written √4 or 4 1/2
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 square root
square root
A number that, when squared, yields a given number. For example, since 5 X 5 = 25, the square root of 25 (written √25) is 5.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for square root
square root
A number that, when multiplied by itself, will result in a given number. The square root of four is two; the square root of one hundred is ten.
notes for square root
The square roots of many numbers, such as three, are irrational numbers.
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.