See also: tin-foil and tin foil

English

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Etymology

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From tin +‎ foil.

Noun

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tinfoil (countable and uncountable, plural tinfoils)

  1. A thin, pliable sheet of tin or an alloy of tin and lead, used as a protective wrapping.
  2. (informal) aluminium foil

Alternative forms

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Derived terms

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Translations

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Verb

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tinfoil (third-person singular simple present tinfoils, present participle tinfoiling, simple past and past participle tinfoiled)

  1. (transitive) To cover in tinfoil.