| 单词 | derivatives | 
| 释义 | derivative1 of 2noun  de·riv·a·tive  di-ˈri-və-tiv  1  linguistics   : a word formed from another word or base : a word formed by derivation  "pointy," "pointed," and other derivatives of "point" 2   : something derived  … the sonata form (itself a derivative of opera) … the name "Mia" is a derivative of "Maria" 3  mathematics   : 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    chemistry    a    : a chemical substance related structurally to another substance and theoretically derivable from it    b    : a substance that can be made from another substance  Petroleum is a derivative of coal tar. soybean derivatives 5   : a contract or security (see security sense 3) that derives its value from that of an underlying asset (such as another security) or from the value of a rate (as of interest or currency exchange) or index (see index entry 1 sense 1b) of asset value (such as a stock index)   derivative2 of 2 adjective1  linguistics   : formed from another word or base : formed by derivation  a derivative word 2   : having parts that originate from another source : made up of or marked by derived elements  a derivative philosophy 3   : lacking originality : banal  a derivative performance a film using a derivative plot device  derivatively adverb   derivativeness noun  derivatives nounas in derivatessomething that naturally develops or is developed from something else the whole field of industrial robots is a derivative of technology developed for the space program Synonyms & Similar Words Relevance 
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