Derivative



GRE 蓝宝 Barron TOEFL

解释

GRE 红宝书

• adj. 派生的, 无创意的
• ［英］ adj. 派生的, 无创意的 ( derived; not original)
• ［类］ 反义词: precursory ( 先驱的) ; innovative ( 创新的) ; seminal ( 创新的)
• ［记］ 来自derive ( 派生, 推知) , de+rive ( =river河流) -> 支流 -> 派生

Webster Collegiate

I. noun

• Date: 15th century
• 1. a word formed by derivation
• 2. something derived
• 3. the limit of the ratio of the change in a function to the corresponding change in its independent variable as the latter change approaches zero
• 4.
  • a. a chemical substance related structurally to another substance and theoretically derivable from it
  • b. a substance that can be made from another substance
• 5. a contract or security that derives its value from that of an underlying asset (as another security) or from the value of a rate (as of interest or currency exchange) or index of asset value (as a stock index)

II. adjective

• Date: circa 1530
• 1. formed by derivation <a derivative word>
• 2. made up of or marked by derived elements
• 3. lacking originality ; banal
• ? derivatively adverb
• ? derivativeness noun

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