42nd

2 definitions found

From WordNet (r) 2.0 [wn]:

  Nd
       n 1: a yellow trivalent metallic element of the rare earth group;
            occurs in monazite and bastnasite in association with
            cerium and lanthanum and praseodymium [syn: {neodymium},
             {atomic number 60}]
       2: a state of north central United States bordering on Canada


          [syn: {North Dakota}, {Peace Garden State}]

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

  ND
       
          {natural deduction}