Longman Dictionary of Contemporary English homepage

Topic: ELEMENTS

Date: 1800-1900
Language: Greek
Origin: kryptos 'hidden'

krypton

 noun
     
kryp‧ton [uncountable]
HCE a 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
Definition of krypton from the Longman Dictionary of Contemporary English within
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