网站首页  词典首页

请输入您要查询的词汇：

　

词汇 quarter-hollow
释义

Definition of quarter-hollow in English:

quarter-hollow

noun

  • A concave moulding that has an arc which is (approximately) a quarter circle; (also) an engraving tool used to make convex or concave mouldings (more fully"quarter-hollow tool").

Origin

Mid 19th century; earliest use found in Charles Holtzapffel (1806–1847), mechanical engineer and technical writer.

Definition of quarter-hollow in US English:

quarter-hollow

noun

  • A concave moulding that has an arc which is (approximately) a quarter circle; (also) an engraving tool used to make convex or concave mouldings (more fully"quarter-hollow tool").

Origin

Mid 19th century; earliest use found in Charles Holtzapffel (1806–1847), mechanical engineer and technical writer.
随便看

　

春雷网英语在线翻译词典收录了464360条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。

　

Copyright © 2000-2024 Sndmkt.com All Rights Reserved 更新时间：2024/12/28 7:02:03