Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun atomic_number_63

1 sense of atomic number 63

Sense 1
europium, Eu, atomic number 63 -- (a bivalent and trivalent metallic element of the rare earth group)
       => metallic element, metal -- (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)