名詞 derivative:

1. the result of mathematical differentiation; the instantaneous change of one quantity relative to another; df(x)/dx
   同義詞：derived function, differential coefficient, differential, first derivative
2. a financial instrument whose value is based on another security
   同義詞：derivative instrument
3. (linguistics) a word that is derived from another word

形容詞 derivative:

1. resulting from or employing derivation

1. An organic derivative, such as coal or petroleum.
   有機衍生物一種有機衍生物，如煤或石油
2. Not original; derivative.
   不是原本的; 衍生的
3. A mark used as a superscript to indicate the first derivative of a variable.
   撇號置于右上角的符號，用以標明變量的第一個導數

de.riv.a.tive

adj.（形容詞）
Resulting from or employing derivation:
導出的；演化的：得自由或使用派生物的：
例句：
a derivative word; a derivative process.
衍生詞；推導過程

Copied or adapted from others:
拷貝的，改寫的，無創(chuàng)意的：
例句：
a highly derivative prose style.
毫無創(chuàng)意的散文風格

n.Abbr. deriv.,der.（名詞）縮寫 deriv.,der.
Something derived.
導出物，衍生物
Linguistics A word formed from another by derivation, such aselectricity from electric.
【語言學】 衍生詞：從其他詞通過衍生得到的詞，例如electricity（電，電力） 就是從 electric（電子） 衍生來的
Mathematics
【數學】
The limiting value of the ratio of the change in a function to the corresponding change in its independent variable.
導數：函數相應其自變量的變化率的有限值
The instantaneous rate of change of a function with respect to its variable.
函數隨其變量的即時變化率
The slope of a graph of an equation at a given point.Also called differential coefficient ,fluxion
微商：方程曲線在某一給定點的斜率也作 differential coefficient,fluxion
Chemistry A compound derived or obtained from another and containing essential elements of the parent substance.
【化學】 衍生物：從另一種物質演化出來的，包含其母體的基本元素的化合物

【引伸】
deriv.atively
adv.（副詞）
deriv.ativeness
n.（名詞）