Definition of square root in English:

square root

noun

  • A number that produces a specified quantity when multiplied by itself.

    ‘7 is a square root of 49’
    root
    • ‘The sum of the square roots of any two sides of an isosceles triangle is equal to the square root of the remaining side.’
    • ‘The eleven chapters of Halifax's text dealt with topics such as addition, subtraction, multiplication, division, square roots and cube roots.’
    • ‘The square root of 2 is an irrational number because it can't be written as a ratio of two integers.’
    • ‘What is the square root of sixteen?’
    • ‘Having taken then the square root of this which is 8, subtract from it half the roots, 5 leaving 3.’

Pronunciation:

square root

/ˌskwe(ə)r ˈro͞ot/