quadratic
/kwɒdˈrætɪk/
- adj.
- 二次的
- n.
- 二次方程式
中文释义来自 ECDICT
构词拆解
词源链
- 英语
词源说明
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”).
释义
形容词adjective
- 1Square-shaped.
- 2(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.
名词noun
- 1(mathematics) A quadratic polynomial, function or equation