1 entry 1 source
X Rays; X-Rays
Open directlyWebster's 1828 Dictionary · 1828
Part of speech: noun (n.)
The Röntgen rays; -- so called by their discoverer because of their enigmatical character.
1 entry 1 source
Part of speech: noun (n.)
The Röntgen rays; -- so called by their discoverer because of their enigmatical character.