square root
Simple Definition of square root

mathematics : a number that produces a specified number when it is multiplied by itself
Full Definition of square root
: a factor of a number that when squared gives the number <the square root of 9 is ±3>
Examples of square root in a sentence
The square root of 9 is 3.
1557
First Known Use of square root
1557
SQUARE ROOT Defined for Kids
square root
Definition of square root for Students
: a number that when multiplied by itself equals a specified number <The square root of 9 is 3.>
Learn More about square root

Spanish Central: Translation of square root Nglish: Translation of square root for Spanish speakers Britannica English: Translation of square root for Arabic speakers Britannica.com: Encyclopedia article about square root
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