
1) Algebraic equation 2) Equation needing factoring 3) Of the second degree 4) Rectangle 5) Regular polygon 6) Square
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https://www.crosswordclues.com/clue/quadratic
[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...
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http://en.wikipedia.org/wiki/Quadratic_(collection)

• (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/

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

[
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
adjective of or relating to the second power; `quadratic equation`
Found on
https://www.encyclo.co.uk/local/20974

square. · involving the square and no higher power of the unknown quantity; of the second degree.
Found on
https://www.infoplease.com/dictionary/quadratic
No exact match found.