# quadratic

[kwo-drat-ik]

### adjective

### noun

a quadratic polynomial or equation.

## RELATED WORDS

## Nearby words

- quadrate muscle of loins,
- quadrate muscle of sole,
- quadrate muscle of thigh,
- quadrate muscle of upper lip,
- quadrate pronator muscle,
- quadratic equation,
- quadratic form,
- quadratic formula,
- quadratic residue,
- quadratics

## Origin of quadratic

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

## Examples from the Web for quadratic

## quadratic

### noun

### adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

## quadratic

1650s, "square," with -ic + obsolete quadrate "a square; a group of four things" (late 14c.), from Latin quadratum, noun use of neuter adjective quadratus "square, squared," past participle of quadrare "to square, set in order, complete" (see quadrant). Quadratic equations (1660s) so called because they involve the square of x.

Online Etymology Dictionary, © 2010 Douglas Harper

## quadratic

[kwŏ-drăt′ĭk]

The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.