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actinouranium

[ak-tin-oh-yoo-rey-nee-uh m, ak-tuh-noh-] /ækˌtɪn oʊ yʊˈreɪ ni əm, ˌæk tə noʊ-/
noun, Chemistry.
Origin of actinouranium
1925-1930
First recorded in 1925-30; actino- + uranium
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for actinouranium

actinouranium

/ˌæktɪnəʊjʊˈreɪnɪəm/
noun
1.
the isotope of uranium that has a mass number of 235
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
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