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English definition of “krypton”

krypton

noun [U]     /ˈkrɪp.tɒn/ US  /-tɑːn/ (symbol Kr)
a chemical element that is a gas that does not react with other elements and is used in some types of lights and lasersChemical elements
(Definition of krypton noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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