Manhattan Project

Definitions of Manhattan Project
  1. noun
    code name for the secret United States project set up in 1942 to develop atomic bombs for use in World War II
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    example of:
    labor, project, task, undertaking
    any piece of work that is undertaken or attempted
  2. noun
    a former United States executive agency that was responsible for developing atomic bombs during World War II
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    example of:
    executive agency
    an agency of the executive branch of government
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