flux vs quicksilver

flux

adj
  • Flowing; unstable; inconstant; variable. 

noun
  • The rate of transfer of energy (or another physical quantity), especially an electric or magnetic field, through a given surface. 

  • A state of ongoing change. 

  • The state of being liquid through heat; fusion. 

  • A chemical agent for cleaning metal prior to soldering or welding. 

  • The act of flowing; a continuous moving on or passing by, as of a flowing stream. 

verb
  • To flow as a liquid. 

  • To use flux on. 

  • To melt. 

quicksilver

adj
  • Unpredictable, erratic or fickle; mercurial. 

noun
  • The metal mercury. 

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

verb
  • To overlay with quicksilver. 

  • To treat with quicksilver. 

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