atomic number 70 definition

  • noun:
    • a soft silvery metallic element; a rare planet of this lanthanide series; it happens in gadolinite and monazite and xenotime
    • a soft silvery metallic element; an unusual planet of this lanthanide series; it takes place in gadolinite and monazite and xenotime

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  • Hypernym for "atomic number 70"
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