quadratic form

noun

: a homogeneous polynomial (such as x2 + 5xy + y2) of the second degree

Examples of quadratic form in a Sentence

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In the years since, Wickelgren, Kass and others have reframed a host of other enumerative problems using motivic homotopy theory, deriving the relevant quadratic forms in various number systems. Joseph Howlett, Quanta Magazine, 26 Sep. 2025

Word History

First Known Use

1853, in the meaning defined above

Time Traveler
The first known use of quadratic form was in 1853

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Cite this Entry

“Quadratic form.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quadratic%20form. Accessed 2 Oct. 2025.

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