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English definition of “xenon”

xenon

noun [U]     /ˈzen.ɒn/ US  /-nɑːn/ (symbol Xe)
a chemical element that is a gas with no colour or smell , that does not react with other elements and is used in some types of light bulbs Chemical elements
(Definition of xenon noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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