manhattan project
NounOpen English WordNet
Noun (2)
- 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
- 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
Word of the day · Sep 29About this word
haphazardadjective
What does it mean? Question 1 of today’s quiz
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