From Longman Dictionary of Contemporary Englishxenonxen‧on /ˈzenɒn $ ˈziːnɑːn, ˈze-/ noun [uncountable] HCEa colourless gas that is found in very small quantities in the air. It is a chemical element: symbol Xe
Examples from the Corpus
xenon• There are also tiny traces of other noble gases besides argon, namely, neon, krypton, and xenon.• For matrix materials like methane, nitrogen, krypton and xenon, this is not too surprising.• They are the noble gases: neon, argon, krypton, xenon, and radon.• Polarised atoms of xenon are useful because they can provide the reference direction for very accurate gyroscopes.• The end result is polarised xenon.• So far Happer has concentrated on producing polarised xenon atoms.• Polarised hydrogen, on the other hand. which may be easier to make than polarised xenon, could help fusion research.• The xenon atoms remain polarised for about half an hour.Origin xenon (1800-1900) Greek xenos “strange” (because it is rare) 