Röntgen ray
From Glossary of Meteorology
Röntgen ray
(Or Roentgen ray.)
Same as x-ray; rarely used these days.
Same as x-ray; rarely used these days.
X-ray was the coinage of Wilhelm Röntgen, who discovered them.
Boorse, H. A., and L. Motz 1966. The World of the Atom. Vol. I, . 385–401.
