actinouranium

[ ak-tin-oh-yoo-rey-nee-uhm, ak-tuh-noh- ]
/ ækˌtɪn oʊ yʊˈreɪ ni əm, ˌæk tə noʊ- /

noun Chemistry.

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Origin of actinouranium

First recorded in 1925–30; actino- + uranium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for actinouranium

actinouranium
/ (ˌæktɪnəʊjʊˈreɪnɪəm) /

noun

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