manhattan project

Other Definitions
manhattan project (enc)

Noun	1.	Manhattan Project - a former United States executive agency that was responsible for developing atomic bombs during World War II executive agency - an agency of the executive branch of government executive branch, Executive Office of the President - the branch of the United States government that is responsible for carrying out the laws
	2.	Manhattan Project - code name for the secret United States project set up in 1942 to develop atomic bombs for use in World War II project, task, undertaking, labor - any piece of work that is undertaken or attempted; "he prepared for great undertakings"

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