aromatic vs precipitant

aromatic

noun
  • Any aromatic compound. 

  • A fragrant plant or spice added to a dish to flavour it. 

adj
  • Fragrant or spicy. 

  • Having a closed ring of alternate single and double bonds with delocalized electrons. 

  • Derived from benzene. 

precipitant

noun
  • A substance that forms a precipitate when added to a solution. 

adj
  • Sudden or unexpected. 

  • That falls headlong, or causes a headlong fall. 

  • Rash or impulsive. 

  • That causes precipitation. 

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