tinning

/T IH1 N IH0 NG/
verb
  1. 1

    To place into a tin in order to preserve.

  2. 2

    To cover with tin.

  3. 3

    To coat with solder in preparation for soldering.

noun
  1. 1

    A covering or lining of tin.

Source: https://en.wiktionary.org/wiki/tin, https://en.wiktionary.org/wiki/tinning