Urey Harold Clayton

U·rey

 (yo͝or′ē), Harold Clayton 1893-1981.

American chemist. He won a 1934 Nobel Prize for his discovery of heavy hydrogen.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

U·rey

(yo͝or′ē), Harold Clayton 1893-1981.

American chemist who discovered deuterium (1932). He also developed theories on the formation of the planets and on the synthesis of elements in the Earth's primitive atmosphere.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.