Manhattan Project
noun
QUIZZES
QUIZ YOURSELF ON AFFECT VS. EFFECT!
Origin of Manhattan Project
Words nearby Manhattan Project
Example sentences from the Web for Manhattan Project
Why Do “Left” And “Right” Mean Liberal And Conservative?
“Affect” vs. “Effect”: Use The Correct Word Every Time
What Is The Difference Between “It’s” And “Its”?
“Effectiveness” vs. “Efficacy” vs. “Efficiency”: When To Use Each Word For The Best Results
What Is “GOP” Short For?
“Vaccinate” vs. “Inoculate” vs. “Immunize”: What Are The Differences?
British Dictionary definitions for Manhattan Project
noun
Cultural definitions for Manhattan Project
The code name for the effort to develop atomic bombs (see also atomic bomb) for the United States during World War II. The first controlled nuclear reaction took place in Chicago in 1942, and by 1945, bombs had been manufactured that used this chain reaction to produce great explosive force. The project was carried out in enormous secrecy. After a test explosion in July 1945, the United States dropped atomic bombs on the Japanese cities of Hiroshima (see also Hiroshima) and Nagasaki.