square root
noun
: 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.
Recent Examples on the Web
Other rings of integers can be built out of sets of numbers that include, say, the square root of −1 (the imaginary number that mathematicians call i), or the cube root of 2.
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Joseph Howlett, Quanta Magazine, 3 Feb. 2025
We weight polls using a function that involves the square root of its sample size.
—G. Elliott Morris, ABC News, 28 Jan. 2025
They were shocked when a member of their school proved that the square root of 2 is not.
—Erica Klarreich, Quanta Magazine, 8 Jan. 2025
With what exactitude must, say, the square root of 2 (an irrational number that enters into many of the relevant quantum operations) be experimentally realized?
—IEEE Spectrum, 15 Nov. 2018
See all Example Sentences for square root 
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Joseph Howlett, Quanta Magazine, 3 Feb. 2025
We weight polls using a function that involves the square root of its sample size.
—G. Elliott Morris, ABC News, 28 Jan. 2025
They were shocked when a member of their school proved that the square root of 2 is not.
—Erica Klarreich, Quanta Magazine, 8 Jan. 2025
With what exactitude must, say, the square root of 2 (an irrational number that enters into many of the relevant quantum operations) be experimentally realized?
—IEEE Spectrum, 15 Nov. 2018
See all Example Sentences for square root
Dictionary Entries Near square root
Cite this Entry
“Square root.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/square%20root. Accessed 22 Feb. 2025.
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