English noun: Manhattan Project | |||
1. | Manhattan Project (group) a former United States executive agency that was responsible for developing atomic bombs during World War II | ||
Instance hypernym | executive agency | ||
Part meronym | executive branch, Executive Office of the President | ||
2. | Manhattan Project (act) code name for the secret United States project set up in 1942 to develop atomic bombs for use in World War II | ||
Instance hypernym | labor, project, task, undertaking | ||