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.
Origin of square root
First recorded in 1550–60
Words nearby square root
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 quantity
2 is a square root of 4, usually written √4 or 4 1/2
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.
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.