argon
noun [U] /ˈɑː.ɡɒn/
/ˈɑːr.ɡɑːn/ (symbol Ar)Definition
› a chemical element that is a gas found in air. Argon does not react with other elements and is sometimes used to make electric lights.Chemical elements
(Definition of argon noun from the Cambridge Advanced Learner's Dictionary & Thesaurus
© Cambridge University Press)
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