请输入您要查询的英文单词:

 

单词 roentgen
释义

roentgen

noun
/ˈrɒntɡən/
/ˈrentɡən/
(physics)
(abbreviation R)
jump to other results
  1. a unit of radiation, used to measure the quantity of X-rays or gamma radiation that have reached somebody/something
    Word Origin1920s: named after Wilhelm Conrad Röntgen (1845–1923), German physicist, discoverer of X-rays.
随便看

 

英语词典包含84843条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/11/15 11:43:56