Recent Examples of uranium from the Web
Precious coolant — dropped, exposing the uranium rods at least two feet below the top.
McNeice was a rich kid who'd inherited millions from his family's uranium mining fortune.
Other harmful colors include fluorescent radium green, arsenic green, and uranium orange.
In order to date these minerals, the group used the steady decay of radioactive uranium to lead.
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Origin and Etymology of uranium
New Latin, from Uranus
First Known Use: circa 1797
URANIUM Defined for English Language Learners
Definition of uranium for English Language Learners
: a radioactive element that is used to make nuclear energy and nuclear weapons
URANIUM Defined for Kids
Definition of uranium for Students
: a radioactive metallic chemical element used as a source of atomic energy
Medical Definition of uranium
: a silvery heavy radioactive polyvalent metallic element that is found especially in pitchblende and uraninite and exists naturally as a mixture of three isotopes of mass number 234, 235, and 238 in the proportions of 0.006 percent, 0.71 percent, and 99.28 percent respectively—symbol U; see element table
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