electric discharge vs flowrate

electric discharge

noun
  • The flow of electricity through the air or gas. 

  • The withdraw of electric charge. 

  • A sudden movement of electric charge. 

flowrate

noun
  • The rate of flow, usually of a fluid, measured in either volume or mass per unit time. 

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