manhattan project

Noun

Open English WordNet

Noun (2)

  1. a former United States executive agency that was responsible for developing atomic bombs during World War IIType of executive agencyPart of executive branch, Executive Office of the President
  2. code name for the secret United States project set up in 1942 to develop atomic bombs for use in World War IIInstance of undertaking, project
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Webster's Dictionary (1913)

Manhattan Project prop. n.

U. S. History A former US agency that was responsible for developing atomic bombs during World War II.

Webster’s Revised Unabridged Dictionary (1913), from GCIDE 0.54 · with additions: WordNet 1.5

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