Meaning of DERIVATIVE in English
/ dɪˈrɪvətɪv; NAmE / noun , adjective
a word or thing that has been developed or produced from another word or thing :
'Happiness' is a derivative of 'happy'.
Crack is a highly potent and addictive derivative of cocaine.
(usually disapproving ) copied from sth else; not having new or original ideas :
a derivative design / style
late Middle English (in the adjective sense having the power to draw off , and in the noun sense a word derived from another ): from French dérivatif , -ive , from Latin derivativus , from derivare , from de- down, away + rivus brook, stream.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005