derivative

英 [dɪˈrɪvətɪv]

美 [dɪˈrɪvətɪv]

n.  派生词; 衍生字 ; 派生物; 衍生物
adj.  模仿他人的; 缺乏独创性的

复数：derivatives　

TOEFLGRETEM8

Collins.1 / BNC.9140 / COCA.10778

牛津词典

noun

• 派生词； 衍生字 ；派生物；衍生物
  a word or thing that has been developed or produced from another word or thing
  1. ‘Happiness’ is a derivative of ‘happy’.
     happiness是happy的派生词。
  2. Crack is a highly potent and addictive derivative of cocaine.
     强效纯可卡因是一种药效极强、容易使人上瘾的可卡因制剂。

adj.

• 模仿他人的；缺乏独创性的
  copied from sth else; not having new or original ideas
  1. a derivative design/style
     沿袭前人的设计 / 样式

柯林斯词典

• N-COUNT 派生物;衍生物
  Aderivativeis something which has been developed or obtained from something else.
  1. ...a poppy-seed derivative similar to heroin...
     类似海洛因的罂粟籽制剂
  2. This isn't an entirely new car, but a new derivative of the Citroen XM.
     这不是一款全新的车，而是雪铁龙XM系列的派生车型。
• ADJ-GRADED 模仿他人的;缺乏创意的
  If you say that something isderivative, you are criticizing it because it is not new or original but has been developed from something else.
  1. ...their dull, derivative debut album...
     他们沉闷乏味、缺乏创意的首张专辑
  2. A lot of what you see in stand-up comedy today is very derivative.
     如今人们看到的单人喜剧表演好多内容都是沿袭前人。

英英释义

noun

• the result of mathematical differentiation
  Synonym:derived functiondifferential coefficientdifferentialfirst derivative
• (linguistics) a word that is derived from another word
  1. `electricity' is a derivative of `electric'
• a financial instrument whose value is based on another security
  Synonym:derivative instrument
• a compound obtained from, or regarded as derived from, another compound

adj

• resulting from or employing derivation
  1. a derivative process
  2. a highly derivative prose style

双语例句

• A Quasilinear equation is one in which the highest-order derivative appears linearly.
  最高阶导数线性地出现的那种方程是准线性方程。
• This isn't an entirely new car, but a new derivative of the Citroen XM.
  这不是一款全新的车，而是雪铁龙XM系列的派生车型。
• The Derivative term when combined with proportional action improves control by sensing changes and correcting for them quickly.
  导数项与比例作用结合在一起时，通过感觉变化和修正而迅速改善了控制。
• And now we have to take the derivative of this quantity squared.
  现在我们要对这个量的平方求导。
• Tea proverbs, is China's tea culture in the process of the development of derivative and cultural phenomenon.
  茶谚，是我国茶叶文化发展过程中派生的又一文化现象。
• Derivative securities and other complex financial instruments can serve useful purposes.
  证券衍生品和其他复杂金融工具可以服务于有用的目的。
• And now, you see, the derivative of this sum is the sum of the derivatives.
  和的导数就是导数的和。
• A sensitivity analysis and derivative homogenization of laminating design for composite structures are used in this paper.
  采用了灵敏度分析和导数均匀化两种方法进行复合材料铺层优选设计。
• Progress in the studies on new derivative atomic spectrometry was reviewed.
  本文评介了导数测量技术在原子光谱分析中的应用研究进展。
• RESULTS The derivative flame atom absorption method improves the sensitivity of chromium testing.
  结果：导数火焰原子吸收法大幅度提高了测定铬的灵敏度，降低了检出限。