Hg

1 definition found

From WordNet (r) 2.0 [wn]:

  Hg
       n 1: a heavy silvery toxic univalent and bivalent metallic
            element; the only metal that is liquid at ordinary
            temperatures [syn: {mercury}, {quicksilver}, {hydrargyrum},
             {atomic number 80}]
       2: 100 grams [syn: {hectogram}]