atomic number 39, n.
a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys
<noun.substance>
Y atomic number 39 yttrium
semantic pointers
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substance holonym
Word
a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys
<noun.substance>
Y atomic number 39 yttrium