quadratic form


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

Examples of quadratic form in a Sentence

Recent Examples on the Web There are three ways to cut a cube in half — making a front-back, left-right or top-bottom division — so the cube generated three quadratic forms. Quanta Magazine, 12 Aug. 2014 These three forms, Bhargava discovered, add up to zero — not with respect to normal addition, but with respect to Gauss’ method for composing quadratic forms. Quanta Magazine, 12 Aug. 2014

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'quadratic form.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1853, in the meaning defined above

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

Dictionary Entries Near quadratic form

Cite this Entry

“Quadratic form.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quadratic%20form. Accessed 29 Feb. 2024.

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