• (a.) Tetragonal. • (a.) Pertaining to terms of the second degree; as, a quadratic equation, in which the highest power of the unknown quantity is a square. • (a.) Of or pertaining to a square, or to squares; resembling a quadrate, or square; square.

Found on http://thinkexist.com/dictionary/meaning/quadratic/

*adjective* of or relating to the second power; `quadratic equation`

Found on https://www.encyclo.co.uk/local/20974

*[collection]* Quadratic is a collection of four science fiction works by Olaf Stapledon and Murray Leinster. It was edited by William L. Crawford and published in 1953 by Fantasy Publishing Company, Inc. in an edition of 300 copies. The book is an omnibus of Stapledon`s Worlds of Wonder and Leinster`s Murder Madness, created by combining unb...

Found on http://en.wikipedia.org/wiki/Quadratic_(collection)

**Quad·rat'ic** * adjective* [ Confer French

* quadratique* .]

** 1.** Of or pertaining to a square, or to squares; resembling a quadrate, or square; square.

** 2.** * (Crystallog.)* Tetragonal.

** 3.** * (Alg.)* Pertaining to terms of the second degree; as, a

* quadratic* equation...

Found on http://www.encyclo.co.uk/webster/Q/1

An expression or an equation that contains the variable squared, but not raised to any higher power. For instance a quadratic equation in x contains x

^{2} but not x

^{3}. Similarly a quadratic expression, or a quadratic form, contains its variable(s) squared bu...

Found on http://www.daviddarling.info/encyclopedia/Q/quadratic.html

quadratic, mathematical expression of the second degree in one or more unknowns (see polynomial). The general quadratic in one unknown has the form ax2+bx+c, where a, b, and c are constants and x is the variable. A quadratic equation ax2+bx+c=0 always has two roots, not necessarily distinct; these m...

Found on http://www.infoplease.com/ce6/sci/A0840703.html

[

*adj]* - of or relating to or resembling a square 2. [adj] - of or relating to the second power 3. [n] - a polynomial of the second degree

Found on http://www.webdictionary.co.uk/definition.php?query=quadratic

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