derivative

adjective

• 1imitative of the work of another artist, writer, etc., and usually disapproved of for that reason:an artist who is not in the slightest bit derivative
• originating from, based on, or influenced by:Darwin’s work is derivative of the moral philosophers

• 2 [attributive] Finance (of a product) having a value deriving from an underlying variable asset:equity-based derivative products

noun

• 1something which is based on another source:the aircraft is a derivative of the Falcon 20G
• a word derived from another or from a root in the same or another language: ‘fly-tip’ is a derivative of the phrase ‘on the fly’
• a substance that is derived chemically from a specified compound:crack is a highly addictive cocaine derivative

• 2 (often derivatives) Finance an arrangement or product (such as a future, option, or warrant) whose value derives from and is dependent on the value of an underlying asset, such as a commodity, currency, or security: [as modifier]:the derivatives market

• 3 Mathematics an expression representing the rate of change of a function with respect to an independent variable.