Something derived.

(linguistics) A word that derives from another one.

(finance) A financial instrument whose value depends on the valuation of an underlying asset; such as a warrant, an option etc.

(chemistry) A chemical derived from another.

(calculus) A derivative is a fundamental concept in calculus that quantifies the rate of change and tangency of a function, represented by the derived function or the slope of the tangent line.

Obtained by derivation; not radical, original, or fundamental.

Imitative of the work of someone else.

(law, copyright law) Referring to a work, such as a translation or adaptation, based on another work that may be subject to copyright restrictions.

(finance) Having a value that depends on an underlying asset of variable value.