Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
tin-plating is a noun meaning "the application of a protective layer of tin". It carries one recorded sense.
the application of a protective layer of tin
Definitions, synonyms and semantic relations for tin-plating come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.