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 (zĭl′ərd, zə-lärd′), Leo 1898-1964.
Hungarian-born American physicist and biologist. A member of the Manhattan Project, he helped develop the first atomic bomb. Szilard was later opposed to the construction and use of all nuclear weapons and devoted himself to studying molecular biology.


(Biography) Leo. 1898–1964, US physicist, born in Hungary, who originated the idea of a self-sustaining nuclear chain reaction (1934). He worked on the atomic bomb during World War II but later pressed for the international control of nuclear weapons


(ˈsɪl ɑrd)

Leo, 1898–1964, U.S. physicist, born in Hungary.
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Noun1.Szilard - United States physicist and molecular biologist who helped develop the first atom bomb and later opposed the use of all nuclear weapons (1898-1964)
References in periodicals archive ?
JOY BOYS: Zenden congratulates scorer Maccarone; NET PROFIT: Szilard Nemeth notches Boro's second goal
GARETH SOUTHGATE has warned England of the threat that Szilard Nemeth can pose to their European Championship qualifying hopes and joked: ``He won't be welcomed back to Middlesbrough if he does well against us on Saturday
Gaizka Mendieta, Ray Parlour and Szilard Nemeth are all still unavailable, and there is no right-sided replacement.
Szilard Nemeth and Joseph Job will also be allowed to leave.
The former Scotland manager expects to be a busy man as he looks for fresh blood after goals in each half from Stewart Downing and sub Szilard Nemeth wrapped up an easy Middlesbrough win.
McClaren is almost certain to lose Boudjewin Zenden, Stewart Downing and Szilard Nemeth in the summer from the squad that won the Carling Cup against Bolton, the club's first-ever trophy.
And further goals from Jonathan Greening and substitute Szilard Nemeth in the second half finished off the Baggies who have only two points more than Sunderland.
For a long time victory looked unlikely as Boro dominated the first half, scored early on through Szilard Nemeth and hit a post through Massimo Maccarone.
Szilard Nemeth, who might have earned a game either in midfield or up front, is also battling to shake off a hamstring injury.
But the Boro boss is still without Ugo Ehiogu, Mark Viduka, Gaizka Mendieta, George Boateng, Chris Riggott and Szilard Nemeth.
Striker Szilard Nemeth stakes a claim for a place in the starting line- up after scoring as a substitute in the last two games.
MIDDLESBROUGH are ready to sellSlovakian striker Szilard Nemeth and Russian giants Dynamo Moscow are leading the chase.