Xe

from WordNet (r) 3.0 (2006)

Xe
    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 Collaborative International Dictionary of English v.0.48

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

   Syn: xenon.
        [WordNet 1.5]

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

XE
       eXtreme Edition (Intel, Pentium)

[email protected]