double boiler vs tin

double boiler

noun
  • A large pan containing hot water, into which other smaller pans are set in order to cook food at low heat (below the boiling point) or to keep food warm. 

  • A pair of interlocking pots, the lower one filled with water which when boiling heats the contents of the upper pot. 

tin

noun
  • A metal pan used for baking, roasting, etc. 

  • An airtight container, made of tin or another metal, used to preserve food, or hold a liquid or some other product. 

  • A malleable, ductile, metallic element, resistant to corrosion, with atomic number 50 and symbol Sn. 

  • computer hardware. 

  • The bottom part of the front wall, which is "out" if a player strikes it with the ball. 

verb
  • To coat with solder, in order to consolidate braided wire, so as to make contact with all strands and reduce fragility of the fraying wire 

  • To cover with tin. 

  • To place into a metal can (ie. a tin; be it tin, steel, aluminum) in order to preserve. 

  • To coat with solder, in preparation for soldering, to ensure a good solder joint 

adj
  • Made of galvanised iron or built of corrugated iron. 

  • Made of tin. 

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