1. 
[syn: xenon, Xe, atomic number 54]
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]
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]
V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):
XE
       eXtreme Edition (Intel, Pentium)