Source : WordNet®

Es
     n : a radioactive transuranic element produced by bombarding
         plutonium with neutrons [syn: {einsteinium}, {E}, {atomic
         number 99}]

Source : Free On-Line Dictionary of Computing

es
     
        1.  The {country code} for Spain.
     
        2.  {Extensible Shell}.
     
        3. (Expert System) An {expert system} for the {IBM PC}
        featuring {forward chaining}, {backward chaining} and {fuzzy
        set} relations.
     
        {(ftp://ftp.uu.net/pub/ai/expert-sys/summers.tar.Z)}.
     
        [BYTE Oct 1990].
     
        (1999-02-01)