carburetor vs spray bottle

carburetor

noun
  • A water pipe or bong; a device or contrivance for mixing air with burning cannabis or cocaine. 

  • A device in an internal combustion engine where fuel is vaporized and mixed with air prior to ignition. 

spray bottle

noun
  • An unpressurized canister equipped with a sprayer that is operated by pressing a handle; used e.g. for detergents. 

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