Tinfoil meaning

tĭnfoil
A thin, pliable sheet of aluminum or of tin-lead alloy, used as a protective wrapping.
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Tin or an alloy of tin and lead in a very thin sheet or sheets, used in insulation, etc.
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Aluminum in a very thin sheet, used for wrapping food, etc.
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A thin, pliable sheet of tin or an alloy of tin and lead, used as a protective wrapping.
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(as a misnomer) Aluminium foil.
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Origin of tinfoil

  • Blend of tin and foil

    From Wiktionary