xen·on
noun/ˈzenɒn/, /ˈziːnɒn/
/ˈzenɑːn/, /ˈziːnɑːn/
[uncountable] (symbol Xe)
- a chemical element. Xenon is a gas that is found in very small quantities in the air and is used in some special electric lamps.
氙；氙气 Word Originlate 19th cent.: from Greek, neuter of xenos ‘strange’.