actinouranium

noun

ac·​ti·​no·​ura·​ni·​um

¦ak-tə-(ˌ)nō-yu̇-ˈrā-nē-əm

: the uranium isotope of mass 235

Word History

Etymology

International Scientific Vocabulary actino- (from New Latin actinium) + uranium

First Known Use

1918, in the meaning defined above

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