Actinouranium Definition
 ăk-tĭnō-yo͝o-rānē-əm, ăktə-nō- 
    noun
  
 The isotope of uranium with mass number 235, fissionable with slow neutrons.
 American Heritage 
The uranium isotope of mass number 235: begins the actinium series.
 Webster's New World 
Wiktionary 
Origin of Actinouranium
- actin(ium) uranium - From American Heritage Dictionary of the English Language, 5th Edition 
Actinouranium Is Also Mentioned In
Find Similar Words
Find similar words to actinouranium using the buttons below.