least squares

plural noun

Definition of least squares

: a method of fitting a curve to a set of points representing statistical data in such a way that the sum of the squares of the distances of the points from the curve is a minimum

First Known Use of least squares

1825, in the meaning defined above

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Time Traveler for least squares

Time Traveler

The first known use of least squares was in 1825

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Dictionary Entries Near least squares

least sandpiper

least squares

least tern

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Cite this Entry

“Least squares.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/least%20squares. Accessed 3 Aug. 2021.

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