The Collaborative International Dictionary
Derivative \De*riv"a*tive\, a. [L. derivativus: cf. F. d['e]rivatif.] Obtained by derivation; derived; not radical, original, or fundamental; originating, deduced, or formed from something else; secondary; as, a derivative conveyance; a derivative word.
2. Hence, unoriginal (said of art or other intellectual products.
Derivative circulation, a modification of the circulation
found in some parts of the body, in which the arteries
empty directly into the veins without the interposition of
capillaries.
--Flint. -- De*riv"a*tive*ly, adv. --
De*riv"a*tive*ness, n.
Wiktionary
adv. In a derivative fashion
Usage examples of "derivatively".
Petrina Faneuil, the heroine, is derivatively of the older Boston which has passed away, and actually of the newer Boston which will not be so much regretted when it passes, the fast Boston, the almost rowdy Boston, the decadent Boston.