# quadratic

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Related to quadratic: quadratic equation, quadratic formula

## quad·rat·ic

(kwŏ-drăt′ĭk)*adj.*

*Mathematics*

Of, relating to, or containing quantities of the second degree.

[From quadrate.]

**quad·rat′ic**

*n.*

**quad·rat′i·cal·ly**

*adv.*

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

## quadratic

(kwɒˈdrætɪk)*maths*

*n*

(Mathematics) Also called:

**quadratic equation**an equation containing one or more terms in which the variable is raised to the power of two, but no terms in which it is raised to a higher power*adj*

(Mathematics) Also:

**quadratical**of or relating to the second powerCollins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

## quad•rat•ic

(kwɒˈdræt ɪk)*adj.*

**1.**

*Algebra.*involving the square and no higher power of the unknown quantity; of the second degree.

*n.*

**2.**a quadratic polynomial or equation.

[1650–60]

**quad•rat′i•cal•ly,**

*adv.*

Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

## quad·rat·ic

(kwŏ-drăt′ĭk) Relating to a mathematical expression containing a term of the second degree, such as

*x*^{2}+ 2. ♦ A**quadratic equation**is an equation having the general form*ax*^{2}+*bx*+*c*= 0, where*a, b,*and*c*are constants. ♦ The**quadratic formula**is*x*= [-*b*± √(*b*^{2}- 4*ac*)]/2*a*It is important in algebra, where it is used to calculate the roots of quadratic equations.The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

ThesaurusAntonymsRelated WordsSynonyms

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Noun | 1. | quadratic - an equation in which the highest power of an unknown quantity is a squareequation - a mathematical statement that two expressions are equal |

2. | quadratic - a polynomial of the second degreemultinomial, polynomial - a mathematical function that is the sum of a number of terms | |

Adj. | 1. | quadratic - of or relating to or resembling a square; "quadratic shapes" |

2. | quadratic - of or relating to the second power; "quadratic equation" |

Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

Translations

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

## quadratic

*adj*(Math) → quadratisch

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

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