Manhattan Project

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a former United States executive agency that was responsible for developing atomic bombs during World War II
• Instance Hypernyms:
executive agency
• Part Holonyms:
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 II
• Instance Hypernyms:
undertaking, project, task, labor