celluloid vs movie theater

celluloid

noun
  • The genre of cinema; film. 

  • Any of a variety of thermoplastics created from nitrocellulose and camphor, once used as photographic film. 

movie theater

noun
  • A building where movies are shown to an audience; a cinema. 

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