Definitions from WordNet (Atomic number 90)
▸ noun: 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
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▸ noun: 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
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▸ Words similar to atomic number 90
▸ Usage examples for atomic number 90
▸ Idioms related to atomic number 90
▸ Wikipedia articles (New!)
▸ Words that often appear near atomic number 90
▸ Rhymes of atomic number 90
▸ Invented words related to atomic number 90