kryp·ton
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.
氪；氪气 Word Originlate 19th cent.: from Greek krupton, neuter of kruptos ‘hidden’.