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4 definitions found
 for xenon
From The Collaborative International Dictionary of English v.0.48 :

  Noble \No"ble\, a. [Compar. Nobler; superl. Noblest.] [F.
     famous, highborn, noble, fr. noscere to know. See know.]
        whatever is low, mean, degrading, or dishonorable;
        [1913 Webster]
              Statues, with winding ivy crowned, belong
              To nobler poets for a nobler song.    --Dryden.
        [1913 Webster]
        [1913 Webster]
        distinguished from the masses by birth, station, or title;
        highborn; as, noble blood; a noble personage.
        [1913 Webster]
     Note: Noble is used in the formation of self-explaining
           [1913 Webster]
     Noble gas (Chem.), a gaseous element belonging to group
        VIII of the periodic table of elements, not combining with
        other elements under normal reaction conditions;
        specifically, helium, neon, argon, krypton,
        xenon, or radon; also called inert gas.
        called from their resistance to oxidation by air and to
        dissolution by acids. Copper, mercury, aluminium,
        palladium, rhodium, iridium, and osmium are sometimes
        [1913 Webster]
     Syn: Honorable; worthy; dignified; elevated; exalted;
          superior; sublime; great; eminent; illustrious;
          renowned; stately; splendid; magnificent; grand;
          magnanimous; generous; liberal; free.
          [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 :

  Xenon \Xen"on\ (z[e^]n"[o^]n; z[=e]"n[o^]n), n. [Gr. xe`non,
     neut. of xe`nos strange.] (Chem.)
     occurring in the atmosphere in the proportion of one volume
     is about 20 millions. It was discovered by Ramsay and Travers
     in 1898. It can be condensed to a liquid boiling at -107[deg]
     C., and to a solid which melts at -111.9[deg] C. Symbol Xe
     (formerly also X); atomic number 54; atomic weight 131.3.
     [Webster 1913 Suppl. +PJC]

From WordNet (r) 3.0 (2006) :

      n 1: a colorless odorless inert gaseous element occurring in the
           earth's atmosphere in trace amounts [syn: xenon, Xe,
           atomic number 54]

From The Elements (07Nov00) :

  Symbol: Xe
  Atomic number: 54
  Atomic weight: 131.30
  Colourless, odourless gas belonging to group 18 on the periodic table
  noble gases.) Nine natural isotopes and seven radioactive isotopes are
  known. Xenon was part of the first noble-gas compound synthesized.
  Several others involving Xenon have been found since then. Xenon was
  discovered by Ramsey and Travers in 1898.

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