heterogeneous vs quicksilver

heterogeneous

adj
  • Incommensurable because of different kinds. 

  • Diverse in kind or nature; composed of diverse parts. 

  • Visibly consisting of different components. 

  • Of a network comprising different types of computers, potentially with vastly differing memory sizes, processing power and even basic underlying architecture; alternatively, of a data resource with multiple types of formats. 

  • Having more than one phase (solid, liquid, gas) present in a system or process. 

quicksilver

adj
  • Unpredictable, erratic or fickle; mercurial. 

verb
  • To overlay with quicksilver. 

  • To treat with quicksilver. 

noun
  • The metal mercury. 

  • An amalgam of mercury and tin applied to the backs of mirrors, quicksilvering. 

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