quad‧rat‧ic e‧qua‧tion /kwɒˌdrætɪk ɪˈkweɪʒ
ən $ kwɑː-/
noun [countable][
Date: 1600-1700;
Origin: quadratic from quadrate 'square' (14-21 centuries), from Latin quadratus, past participle of quadrare 'to make square']
technical an
equation such ax²+by+c = z, which includes numbers or quantities multiplied by themselves
[TahlilGaran] Dictionary of Contemporary English ▲