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Wilhelm Conrad Röntgen - Wikipedia, the free encyclopedia
Wilhelm Conrad Röntgen (March 27, 1845 – February 10, 1923) was a German physicist, who, on November 8, 1895, produced and detected electromagnetic radiation in a wavelength ...
Roentgen - Wikipedia, the free encyclopedia
Roentgen may refer to: Wilhelm Conrad Röntgen, German physicist; Abraham Röntgen and David Röntgen, German cabinetmakers; Julius Röntgen, German-Dutch composer; Röntgen, a ...
roentgen - Definitions from Dictionary.com
Definitions of roentgen at Dictionary.com. ... Digital X-ray Systems Industrial X-ray Systems for Pipe Castings Electronics Welds and More

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Roentgen

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Roentgen, also röntgen, a unit of radiation exposure used for X rays and gamma rays, often abbreviated as either R or r. A Roentgen is defined in terms of the number of ions produced in one cubic centimeter of air by the radiation.

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