electric potential vs nonreal

electric potential

noun
  • The potential energy per unit charge at a point in a static electric field. 

nonreal

noun
  • A nonreal number. 

adj
  • Not real; unreal, imaginary. 

  • Not real; not of the real numbers. 

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