- roentgen rays
- x-r's.
Medical dictionary. 2011.
roentgen rays
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Roentgen rays — X ray X ray, X ray X ray([e^]ks r[=a] ), n. [so called by its discoverer because of its enigmatical character, x being an algebraic symbol for an unknown quantity.] (Physics) originally, any of the rays produced when cathode rays strike upon… … The Collaborative International Dictionary of English
Roentgen rays — rentgeno spinduliuotė statusas T sritis Standartizacija ir metrologija apibrėžtis Elektromagnetinė jonizuojančioji spinduliuotė, kurios bangos ilgis nuo 10⁻¹⁴ m iki 10⁻⁷ m. atitikmenys: angl. Roentgen rays; X ray radiation; X rays vok.… … Penkiakalbis aiškinamasis metrologijos terminų žodynas
Roentgen rays — rentgeno spinduliuotė statusas T sritis Standartizacija ir metrologija apibrėžtis Fotoninė spinduliuotė, sudaryta iš stabdomosios ir (arba) būdingosios spinduliuotės. atitikmenys: angl. Roentgen rays; X ray radiation; X rays vok. Röntgenstrahlung … Penkiakalbis aiškinamasis metrologijos terminų žodynas
Roentgen Rays — Wilhelm Konrad von Roentgen (1845 1923), professor of physics at the University of Wurzburg, Germany, was working late on the night of November 3, 1893, after all his assistants had left the laboratory. He noticed that a fluorescent surface… … Dictionary of eponyms
roentgen rays — roent·gen rays (rentґgen) [W.K. Rцntgen] x rays; see under ray … Medical dictionary
Roentgen rays — X rays … English contemporary dictionary
roentgen rays — plural noun dated X rays … English new terms dictionary
roentgen rays — … Useful english dictionary
roentgen — 1896, in Roentgen rays X rays, in recognition of German physicist Wilhem Conrad Röntgen (1845 1923), who discovered X rays in 1895. As a unit of exposure to radiation, it is attested from 1922, proposed in French in 1921 … Etymology dictionary
roentgen — n. a unit of ionizing radiation, the amount producing one electrostatic unit of positive or negative ionic charge in one cubic centimetre of air under standard conditions. Phrases and idioms: roentgen rays X rays. Etymology: W. C. Roumlntgen, Ger … Useful english dictionary
