Definition of xenon in English:


Syllabification: xe·non
Pronunciation: /ˈzēˌnän, ˈzenˌän


  • 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)
    More example sentences
    • In the same year, Ramsay and Travers discovered two other noble gases, xenon and neon.
    • A plasma monitor often consists of two panels, which are filled with an inert gas, such as xenon or neon.
    • It consists of a tube filled with xenon gas, with electrodes on either end and a metal trigger plate at the middle of the tube.


late 19th century: from Greek, neuter of xenos 'strange'.

More definitions of xenon

Definition of xenon in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day milord
Pronunciation: məˈlôrd
used to address an English nobleman