Ultimately derived from Latin radialis, this word has been in used in English since the 17th century. Originally it meant ‘issuing as rays’ and then ‘diverging from a central point or region like rays or the radii of a circle’ (oed).

错误:搜索内容不能为空,请输入英文关键词
错误:关键词超出字数限制,请精简
高级检索

R

  • Holger Becker

摘要

Ultimately derived from Latin radialis, this word has been in used in English since the 17th century. Originally it meant ‘issuing as rays’ and then ‘diverging from a central point or region like rays or the radii of a circle’ (oed).