Advertisement

Advertisement

Manhattan Project

noun

  1. U.S. History. the unofficial designation for the U.S. War Department's secret program, organized in 1942, to explore the isolation of radioactive isotopes and the production of an atomic bomb: initial research was conducted at Columbia University in Manhattan.


Manhattan Project

noun

  1. (during World War II) the code name for the secret US project set up in 1942 to develop an atomic bomb
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Manhattan Project

  1. 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 .
Discover More

Word History and Origins

Origin of Manhattan Project1

Extracted from U.S. Army Corps of Engineers Manhattan District and DSM (Development of Substitute Materials) Project
Discover More

Example Sentences

Examples have not been reviewed.

St Louis, meanwhile, was where uranium was refined and used to help create the atomic bomb as part of the Manhattan Project.

From

“It will become, potentially, 'The Manhattan Project' of our time,” the president-elect wrote on his social media platform, referring to a top-secret World War Two programme to develop nuclear weapons.

From

And yet Mr. Trump cloaked the effort’s announcement in glamour, calling it “potentially ‘The Manhattan Project’ of our time,” aiming “to liberate our economy, and make the U.S. government accountable to ‘WE THE PEOPLE.’”

From

Trump has likened the new initiative to the Manhattan Project, a top-secret World War Two programme to develop the first nuclear weapons.

From

It’s been a testing ground for the Manhattan Project and a crossroads for drug trafficking networks, as dramatized in the television series “Breaking Bad.”

From

Advertisement

Advertisement

Advertisement

Advertisement


Manhattanitemanhelper