Definition of electro-tinplate in US English:

electro-tinplate

noun

Manufacturing Technology
  • Tin plate in which the tin coating is electrolytically applied.

Origin

1940s. From electro- + tin-plate. Compare slightly earlier electro-tin plating.

Pronunciation

electro-tinplate

/ɪˌlɛktrəʊtɪnˈpleɪt/