单词 | xenon |
释义 | xenon [`zē´nän] CHEMISTRY An element, symbol Xe, member of the noble gas family, group 0, atomic number 54, atomic weight 131.30; colorless, boiling point -108°C (1 atmosphere, or 101,325 pascals), noncombustible, nontoxic, and nonreactive; used in photographic flash lamps, luminescent tubes, and lasers, and as an anesthetic. |
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