noun
- a heavy radioactive metallic element used as fuel in nuclear reactors and in nuclear weapons
Usage: chemistry
Examples
- Uranium is mined in several countries around the world.
- The nuclear power plant uses enriched uranium as fuel.
- Scientists discovered uranium in 1789.
- Uranium-235 is the isotope used in nuclear reactions.
- The ore contained traces of uranium.
- Uranium has the atomic number 92 on the periodic table.