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Noun: Manhattan Project
  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

Type of: executive agency, labor [US], labour [Brit, Cdn], project, task, undertaking

Part of: executive branch, Executive Office of the President

Encyclopedia: Manhattan Project