actinouranium

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

noun

, Chemistry.

1. uranium 235.

actinouranium

/ ˌæktɪnəʊjʊˈreɪnɪəm /

noun

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

Word History and Origins

Origin of actinouranium¹

First recorded in 1925–30; actino- + uranium