excrescence
Word family nounexcrescencyexcrescenceadjectiveexcrescentexcrescential
ex·cres·cence /ɪkˈskresəns/ noun [countableC] formal 1 UGLYsomething that is bad, unnecessary, or ugly – used to show disapproval 累赘;多余物〔含贬义〕 The new museum is nothing but an excrescence on the urban landscape. 新博物馆纯粹是市区景观的一处败笔。
2. HBUGLYan ugly growth on an animal or plant 瘤;赘生物 Origin excrescence (1400-1500) Latin excrescens, present participle of excrescere “to grow out”, from crescere “to grow”