# quadratic

> English word · Adjective · IPA /kwɒdˈɹætɪk/ · frequency rank #29,804

## Definitions
1. Square-shaped.
2. Of a polynomial, equation or function, second-degree: involving the second power (square) of a variable but no higher powers, as ax²+bx+c.

## Etymology
From French quadratique (1765), from Latin quadrātus + -ique (English -ic), form of quadrō (“I make square”), from quādrus (“square”), ultimately from Proto-Indo-European *kʷetwóres (“four”), whence also Latin quartus (“fourth”).

## Common misspellings (13)
`qaudratic`, `qquadratic`, `quadartic`, `quaddratic`, `quadraitc`, `quadratci`, `quadraticc`, `quadrattic`, `quadrratic`, `quadrtaic`, `quardatic`, `qudaratic`, `uqadratic`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/quadratic