DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   atomic number 7
       n 1: a common nonmetallic element that is normally a colorless
            odorless tasteless inert diatomic gas; constitutes 78
            percent of the atmosphere by volume; a constituent of all
            living tissues [syn: nitrogen, N, atomic number 7]