atomic number 58 is a noun meaning "a ductile grey metallic element of the lanthanide series; used in lighter flints; the most abundant of the rare-earth group". It carries one recorded sense.
a ductile grey metallic element of the lanthanide series; used in lighter flints; the most abundant of the rare-earth group
Definitions, synonyms and semantic relations for atomic number 58 come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.