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nouna heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons
Similar:
type of:
Definition that contains uranium
- at a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium
- am a radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms
- pa a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead
- pm a soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium
- po a radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor
- ra an intensely radioactive metallic element that occurs in minute amounts in uranium ores
- ac a radioactive element of the actinide series; found in uranium ores
- plutonium a solid silvery grey radioactive transuranic element whose atoms can be split when bombarded with neutrons; found in minute quantities in uranium ores but is usually synthesized in nuclear reactors; 13 isotopes are known with the most important being plutonium 239
- pu a solid silvery grey radioactive transuranic element whose atoms can be split when bombarded with neutrons; found in minute quantities in uranium ores but is usually synthesized in nuclear reactors; 13 isotopes are known with the most important being plutonium 239
- tc a crystalline metallic element not found in nature; occurs as one of the fission products of uranium