atomic number 51 is a noun meaning "a metallic element having four allotropic forms; used in a wide variety of alloys; found in stibnite". It carries one recorded sense.
a metallic element having four allotropic forms; used in a wide variety of alloys; found in stibnite
Definitions, synonyms and semantic relations for atomic number 51 come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.