Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun atomic_number_84

1 sense of atomic number 84

Sense 1
polonium, Po, atomic number 84 -- (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)
       => 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.)