a word or thing that has been developed or produced from another word or thing 派生词; 衍生字 ;派生物;衍生物‘Happiness’ is a derivative of ‘happy’. happiness 是 happy 的派生词。 Crack is a highly potent and addictive derivative of cocaine. 强效纯可卡因是一种药效极强、容易使人上瘾的可卡因制剂。
Word Originlate 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’.