Definition of tin noun from the Oxford Advanced Learner's Dictionary

      

    tin

     noun
    noun
    BrE BrE//tɪn//
     
    ; NAmE NAmE//tɪn//
     
    In the kitchen, Materials and properties
     
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  1. 1   [uncountable] (symbol Sn) a chemical element. Tin is a soft silver-white metal that is often mixed with other metals or used to cover them to prevent them from rusting. a tin mine a tin box See related entries: Materials and properties
  2. 2   [countable] (British English) (also tin can, can North American English, British English) tin (of something) a metal container in which food and drink is sold; the contents of one of these containers a tin of beans Next, add two tins of tomatoes.
  3. 3   [countable] (British English) (also can North American English, British English) tin (of something) a metal container with a lid, in the shape of a cylinder, in which paint, glue, etc. is sold and stored; the contents of one of these containers a tin of varnish The bedroom needed three tins of paint (= in order to paint it).
  4. 4 [countable] a metal container with a lid used for keeping food in a biscuit/cake/cookie tin
  5. 5 [countable] (British English) (North American English pan) a metal container used for cooking food in a cake tin See related entries: In the kitchen
  6. Word Origin Old English, of Germanic origin; related to Dutch tin and German Zinn.Extra examples Store the seeds in an airtight tin. Line the cake tin with greaseproof paper. The bedroom needed three tins of paint. This cake will keep moist for several days if stored in an airtight tin. a cake/​biscuit/​cookie tinIdioms
    (it) does (exactly) what it says on the tin
     
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    (informal, saying) used to say that something is as good or effective as it claims to be, or that it really does what it claims to do. This expression is especially used when you are comparing publicity and advertisements with actual products. I paid £150 for this camera and am more than happy with it. It does exactly what it says on the tin!
See the Oxford Advanced American Dictionary entry: tin