krypton
noun/ˈkrɪptɒn/
/ˈkrɪptɑːn/
[uncountable] (symbol Kr)
- a chemical element. Krypton is a gas that does not react with anything, used in fluorescent lights and lasers.Word Originlate 19th cent.: from Greek krupton, neuter of kruptos ‘hidden’.
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