atomic number 39 is a noun meaning "a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys". It carries one recorded sense.
a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys
Definitions, synonyms and semantic relations for atomic number 39 come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.