excrescence

詳細解釋：

ex.cres.cence

n.（名詞）
An abnormal outgrowth or enlargement, such as a wart.
贅疣：一種不正常的增長或擴大，例如疣
A normal outgrowth, such as a fingernail or a beard.
自然長出物：正常的生長，如指甲或鬍鬚
A usually unwanted or unncessary accretion:
多餘物：通常不想要的或不必要的增長：
例句：
.Independent agencies were an excrescence on the Constitution.(Los Angeles Times)
.獨立的代理處是憲法不需要的東西.(洛杉磯時報)

來源：
Middle English
中古英文
from Latin excrôscentia
源自 拉丁語 excrôscentia
from neuter pl. of excrôscôns excrôscent- [present participle of] excrôscere [to grow out]
源自 excrôscôns的中性複數 excrôscent- [] excrôscere的現在分詞 [長得太大而不能]
ex- [ex-]
ex- [前綴，表.從前的，前任的.]
crôscere [to grow] * see ker- 2
crôscere [生長] *參見 ker- 2