[1] : WordNet (r) 2.0

gd
     n 1: a nerve agent easily absorbed into the body; a lethal
          cholinesterase inhibitor that is highly toxic when
          inhaled syn: soman
     2: a ductile silvery-white ductile ferromagnetic trivalent
        metallic element of the rare earth group syn: gadolinium,
         atomic number 64
see also:
soman gadolinium atomic number 64 

[2] : The Free On-line Dictionary of Computing (27 SEP 03)

gd
     
         the country code for grenada.
     
        1999-01-27
     
     
see also:
country code 

Gd >> G Words
Gd, definition of term: Gd
gd_pag1.html