51Թ

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actinouranium

[ak-tin-oh-yoo-rey-nee-uhm, ak-tuh-noh-]

noun

Chemistry.

  1. uranium 235.

actinouranium

/ ˌæɪəʊʊˈɪɪə /

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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51Թ History and Origins

Origin of actinouranium1

First recorded in 1925–30; actino- + uranium

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