manhattan_project |
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| 1. | [ noun ] (physics) code name for the secret United States project set up in 1942 to develop atomic bombs for use in World War II | |
| Related terms: | undertaking | |
| 2. | [ noun ] (government) a former United States agency that was responsible for developing atomic bombs during World War II | |
| Related terms: | agency executive_agency executive_branch | |
| Similar spelling: |
manhattan_island |
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