English Explanatory Dictionary

quadratic

English dictionary entry

Meanings

adj
  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.
noun
  1. A quadratic polynomial, function or equation.

Pronunciation

/kwɒdˈɹætɪk/ /kwəˈdɹætɪk/ LL-Q1860 (eng)-Vealhurl-quadratic.wav

Word forms

quadratic quadratick quadratics

Etymology

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

Related words

quadrate quadrature square

Derived words

biquadratic multiquadratic nonquadratic paraquadratic polyquadratic postquadratic prequadratic quadratic acid quadratically quadratic equation quadratic field quadratic form quadratic formula quadratic function quadratic integer quadraticity quadratic mean quadratic reciprocity quadratic residue quadratic surd quadratic time quadratization quadratize subquadratic superquadratic
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