xenon
/ˈzenɒn/noun
mass noun
- the chemical element of atomic number 54, a member of the noble gas series. It is obtained by distillation of liquid air, and is used in some specialized electric lamps. (Symbol: Xe)（化学元素）氙（符号： Xe）。
词源
late 19th cent.: from Greek， neuter of xenos 'strange'.