quadratic
/kwɒdˈɹætɪk/ adjective, noun
Forms quadratics quadratick
- adjective Square-shaped.
- adjective (mathematics) 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 (mathematics) A quadratic polynomial, function or equation.
Synonyms
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”).
Webster’s 1913
- adjective Of or pertaining to a square, or to squares; resembling a quadrate, or square; square.
- adjective Tetragonal.
Etymology [Cf. F. quadratique.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “quadratic”, CC BY-SA 4.0. Details