ROENTGEN


Meaning of ROENTGEN in English

/ ˈrɜːntjən; ˈrɒnt-; -gən; NAmE ˈrentjən; ˈrənt-; -dʒən/ noun

( physics ) ( abbr. R ) a unit of radiation , used to measure the quantity of X-rays or gamma rays that have reached sb/sth

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WORD ORIGIN

1920s: named after Wilhelm Conrad Röntgen (1845–1923), German physicist, discoverer of X-rays.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.