X-ray radiation
(history) A male given name from Ancient Greek.
A large extinct marine reptile in the family Mosasauridae, dominant marine predator of the Cretaceous. Mosasaurs are considred to be in squmata, the same group that includes lizards and snakes.
colloquial / conversational
electromagnetic radiation consisting of X-rays, radiation in the X-ray spectrum, of shorter wavelength and higher frequency than ultraviolet and longer wavelength and lower frequency than gamma rays
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