atomic number 84 is a noun meaning "a radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor". It carries one recorded sense.
a radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor
Definitions, synonyms and semantic relations for atomic number 84 come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.