| 单词 | derivative |
| 释义 | derivative (once / 1514 pages) nadj Alert: shifting parts of speech! As a noun, a derivative is kind of financial agreement or deal. As an adjective, though, derivative describes something that borrows heavily from something else that came before it. The economic meltdown of the last decade is due largely to the mismanagement of derivatives, which are deals based on the outcome of other deal. A movie plot might be described as derivative if it steals from another film — say, if it lifts the tornado, the witch, and the dancing scarecrow from The Wizard of Oz. WORD FAMILYderivative: derivatively, derivatives, underivative+/derivation: derivational, derivations/derive: derivable, derivation, derivative, derived, derives, deriving/derived: underived USAGE EXAMPLESIn 2005, Deutsche Bank, then a powerhouse in the selling of risky derivatives on a global scale, was minting money. New York Times(Dec 30, 2016) Dollar International Swaps and Derivatives Association Fix, which is used to set prices for interest-rate swaps. Washington Post(Dec 21, 2016) Other settlements were reached with varying groups of banks over cartels related to derivatives and benchmarks in Swiss francs and yen. Seattle Times(Dec 21, 2016) 1n a compound obtained from, or regarded as derived from, another compound Hyper chemical compound, compound (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight 2n the result of mathematical differentiation; the instantaneous change of one quantity relative to another; df(x)/dx Syn|Hypo|Hyper derived function, differential, differential coefficient, first derivative curvature the rate of change (at a point) of the angle between a curve and a tangent to the curve partial, partial derivativethe derivative of a function of two or more variables with respect to a single variable while the other variables are considered to be constant calculation, computation, figuring, reckoning problem solving that involves numbers or quantities 3n a financial instrument whose value is based on another security Syn|Hypo|Hyper derivative instrument futures contract an agreement to buy or sell a specific amount of a commodity or financial instrument at a particular price on a stipulated future date; the contract can be sold before the settlement date optionthe right to buy or sell property at an agreed price; the right is purchased and if it is not exercised by a stated date the money is forfeited naked optiona put or call option for which the seller or buyer has no underlying security position covered optiona put or call option backed by the shares underlying the option call, call optionthe option to buy a given stock (or stock index or commodity future) at a given price before a given date put, put optionthe option to sell a given stock (or stock index or commodity future) at a given price before a given date straddlethe option to buy or sell a given stock (or stock index or commodity future) at a given price before a given date; consists of an equal number of put and call options incentive option, incentive stock optionan option granted to corporate executives if the company achieves certain financial goals stock-index futuresa futures contract based on a stock index; a bet on the future price of the indexed group of stocks stock optionthe right to buy or sell a stock at a specified price within a stated period lock-up optionan option to buy the crown jewels offered to a white knight in order to forestall a hostile takeover instrument, legal document, legal instrument, official document (law) a document that states some contractual relationship or grants some right 4n (linguistics) a word that is derived from another word `electricity' is a derivative of `electric' Hyper word a unit of language that native speakers can identify 5adj resulting from or employing derivation a derivative process a highly derivative prose style Syn derived formed or developed from something else; not original |
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