krypton
/ˈkrɪptɒn/noun
mass noun
- the chemical element of atomic number 36, a member of the noble gas series. It is obtained by distillation of liquid air, and is used in some kinds of electric light. (Symbol: Kr)（化学元素）氪（符号： Kr）。
词源
late 19th cent.: from Greek krupton, neuter of kruptos 'hidden'.