Definition of derivatives:
(n) :
Something derived.
(adj) :
Obtained by derivation; not radical, original, or fundamental.
(adj) :
Imitative of the work of someone else.
(adj) :
(law, copyright law) Referring to a work, such as a translation or adaptation, based on another work that may be subject to copyright restrictions.
(adj) :
(finance) Having a value that depends on an underlying asset of variable value.
(n) :
(finance) A financial instrument whose value depends on the valuation of an underlying asset; such as a warrant, an option etc.