(1893–1981), American chemist; full name Harold Clayton Urey. He discovered deuterium in 1932, pioneered the use of isotope labelling, and became director of the Manhattan Project at Columbia University. Nobel Prize for Chemistry (1934).
Definition of Urey, Harold in US English:
Urey, Harold
proper nounˈyo͝orē
(1893–1981), US chemist; full name Harold Clayton Urey. He discovered deuterium in 1932, pioneered the use of isotope labeling, and served as director of the Manhattan Project at Columbia University. Nobel Prize for Chemistry (1934).