tinplate

From tin +‎ plate.

tinplate (countable and uncountable, plural tinplates)

1. Alternative spelling of tin plate
   • 1961 August, “New traffic flows in South Wales”, in Trains Illustrated, page 493:

     [...] 4,000 tons of slabs will be sent to the R.T.B. works at Ebbw Vale and a further 8,000 a week will be rolled at the new R.T.B. Newport Works and returned to the Steel Co. of Wales at Trostre and Llangyfelach in coil form for processing into tinplate.

tinplate (third-person singular simple present tinplates, present participle tinplating, simple past and past participle tinplated)

1. Alternative spelling of tin-plate

• “tinplate”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.