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BNC: 47227 COCA: 40089

krypton

Word family 
Related topics: Elements
kryp·ton /ˈkrɪptɒn $ -tɑːn/ noun [uncountableU]  
HCEa colourless gas that is found in very small quantities in the air and is used in fluorescent lights and lasers. It is a chemical element: symbol Kr 氪〔一种化学元素，符号为Kr〕
Examples from the Corpus
krypton• Physical trapping is likely to be about as effective for neon, argon and krypton.• A good choice is one of the inert gases; neon, argon, krypton, or xenon.• They are the noble gases: neon, argon, krypton, xenon, and radon.• There are also tiny traces of other noble gases besides argon, namely, neon, krypton, and xenon.• For matrix materials like methane, nitrogen, krypton and xenon, this is not too surprising.• A compromise was needed; a mixture of krypton and argon proved suitable.
Kryptonn  
nthe imaginary planet where the character Superman is supposed to have been born
Origin krypton
(1800-1900) Greek kryptos “hidden”
kryp·ton nounKryptonn
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Corpus
BNC: 47227 COCA: 40089
BNC: 47227 COCA: 40089
BNC: 47227 COCA: 40089
krypton
Gases: acetylene, ammonia, argon...

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