请输入您要查询的词汇:

 

词汇 dimetrodon
词源

Dimetrodon n.

extinct reptile-like animal of the Permian period, best-known for the large spine-sail on its back but named for its large teeth of different sizes, by 1878, literally "two measures of teeth," from Latinized form of Greek di- "two" (see di- (1)) + metron "measure" (from PIE root *me- (2) "to measure") + odonys "tooth" (from PIE root *dent- "tooth").

updated on August 20, 2018

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 22:29:09