Advertisement
Advertisement
uranium 235
noun
, Chemistry.
- the radioactive uranium isotope having a mass number of 235, comprising 0.715 percent of natural uranium. When bombarded with neutrons it undergoes fission with the release of energy.
Discover More
Word History and Origins
Origin of uranium 2351
First recorded in 1935–40
Advertisement
Word of the Day
[in-vet-er-it ]
Meaning and examplesStart each day with the Word of the Day in your inbox!
By clicking "Sign Up", you are accepting Dictionary.com Terms & Conditions and Privacy Policies.
Advertisement
Advertisement
Advertisement
Browse