manhattan project

2 definitions found

manhattan project - Collaborative International Dictionary of English v.0.48 :

  Manhattan Project \Manhattan Project\ prop. n. (U. S. History)
     A former US agency that was responsible for developing atomic
     bombs during World War II.
     [WordNet 1.5]

manhattan project - WordNet (r) 2.1 (2005) :

  Manhattan Project
      n 1: a former United States executive agency that was
           responsible for developing atomic bombs during World War II
      2: code name for the secret United States project set up in 1942
         to develop atomic bombs for use in World War II