What is Derivatively?

Derivatively definition and meaning on Dictionary terms:
not original; secondary.

something that has been derived.
Also called derived form. Grammar. a form that has undergone derivation from another, as atomic from atom.
Chemistry. a substance or compound obtained from, or regarded as derived from, another substance or compound.
Also called differential quotient; especially British, differential coefficient. Mathematics. the limit of the ratio of the increment of a function to the increment of a variable in it, as the latter tends to 0; the instantaneous change of one quantity with respect to another, as velocity, which is the instantaneous change of distance with respect to time.Compare first derivative, second derivative.

a financial contract whose value derives from the value of underlying stocks, bonds, currencies, commodities, etc.