(n.) An inert gaseous element of the argon group, occurring in air to the extent of about one volume in a million. It was discovered by Ramsay and Travers in 1898. Liquefying point, -- 152! C.; symbol, Kr; atomic weight, 83.0.
KRYPTON
Meaning of KRYPTON in English
Webster's English dictionary. Английский словарь Webster. 2012