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
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
This is due to Price’s Law, which is also known as Price’s square root law.
—Adam Fayed, Forbes, 11 Dec. 2024
See all Example Sentences for square root 
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
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
This is due to Price’s Law, which is also known as Price’s square root law.
—Adam Fayed, Forbes, 11 Dec. 2024
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 31 Jan. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share