square root

noun
1.
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.
Origin
1550-60
Examples from the web for square root
  • The distance between to vectors described as the square root of the squares of the vectors.
  • Definition of square root, possibly with links to more information and implementations.
  • These were the exponential function and the square root function.
British Dictionary definitions for square root

square root

noun
1.
a number or quantity that when multiplied by itself gives a given number or quantity: 2 is a square root of 4, usually written √4 or 41/2
square root in Science
square root  
A number that, when squared, yields a given number. For example, since 5 × 5 = 25, the square root of 25 (written √25) is 5.
square root in Culture

square root definition


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.

Note: The square roots of many numbers, such as three, are irrational numbers.
Encyclopedia Article for square root

in mathematics, a factor of a number that, when multiplied by itself, gives the original number. For example, both 3 and -3 are square roots of 9. As early as the 2nd millennium BC, the Babylonians possessed effective methods for approximating square roots. See root

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