TV vs television

TV

television

verb
  • To watch television. 

noun
  • An electronic communication medium that allows the transmission of real-time visual images, and often sound. 

  • A device for receiving television signals and displaying them in visual form. 

  • Collectively, the programs broadcast via the medium of television. 

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