请输入您要查询的词汇:

 

词汇 sedimentation
词源

sedimentation n.

"the deposition of sediments," 1845; see sediment + -ation, ending used in forming nouns of action. The uncommon verb sediment is attested only from 1899 and could be a back-formation.

updated on April 07, 2022

随便看

 

英语词源词典收录了45867条英语词源词条,基本涵盖了全部常用英语词汇的起源、历史,是研究英语词汇或通过词源学英语的必备工具。

 

Copyright © 2000-2024 Newdu.com.com All Rights Reserved
更新时间:2025/5/1 15:50:58