mercury vs metallic

mercury

noun
  • A silvery-colored, toxic, metallic chemical element, liquid at room temperature, with atomic number 80 and symbol Hg. 

  • One of the elemental principles formerly thought to be present in all metals. 

  • Any plant of any species of the genus and the genus Mercurialis. 

  • The poison oak or poison ivy. 

  • An annual plant, annual mercury (Mercurialis annua), formerly grown for its medicinal properties; French mercury, herb mercury. 

  • Ambient pressure or temperature (from the use of mercury in barometers and thermometers). 

  • A similar edible plant (Blitum bonus-henricus), otherwise known as English mercury or allgood. 

metallic

noun
  • A metallic color. 

adj
  • Of, relating to, or characteristic of metal. 

  • Having the appearance of being of polished metal. 

  • Harsh, as if coming from two metals striking one another. 

  • Made of or containing metal. 

How often have the words mercury and metallic occurred in a corpus of books? (source: Google Ngram Viewer )