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Thesaurus: atomic number 90
a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands
Related headwords
elementdefinitionisotopedefinitionmetallicdefinitionmonazitedefinitionnucleardefinitionoccursdefinitionpowerdefinitionradioactivedefinitionreactorsdefinitionsandsdefinitionsilvery-whitedefinitionsoftdefinitionsourcedefinitiontetravalentdefinitionthoritedefinitionatomicfamilyatomic bombfamilyatomic clockfamilyatomic cocktailfamilyatomic energyfamilyAtomic Energy Commissionfamilyatomic explosionfamilyatomic massfamilyatomic mass unitfamilyatomic numberfamilyatomic number 1familyatomic number 10familyatomic number 100family
Definitions
- n. a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands