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Xenon. World English Historical Dictionary

Xenon. World English Historical Dictionary Dictionary Biographies Literary Criticism Welcome Terms of Service ⧏ Previous Next ⧐ Contents Slice Contents Key Bibliographic Record Murray’s New English Dictionary. 1928, rev. 2024. Xenon Chem. [ad. Gr. ξένον, neut. of ξένος strange.] A heavy inert gaseous element present in minute quantity in the atmosphere, discovered by Sir William Ramsay in 1898. Symbol Xe or X.

1 1898.  Ramsay & Travers, in Rep. Brit. Assoc. Bristol, 830. The last fractions of liquefied argon show the presence of three new gases. These are krypton … metargon … and a still heavier gas,… which we propose to name ‘xenon.’

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