Webster's Revised Unabridged Dictionary · 1913

Xe

Xe , noun

The chemical symbol for the chemical element xenon, having atomic number 54; it is one of the six noble gases.

Text from the public-domain GNU Collaborative International Dictionary of English, derived from Webster's Revised Unabridged Dictionary (1913). Definitions marked with were added by later GCIDE contributors and are not in the original 1913 edition.

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