Tinfoil Definition

tĭnfoil
noun
Tin or an alloy of tin and lead in a very thin sheet or sheets, used in insulation, etc.
Webster's New World
Aluminum in a very thin sheet, used for wrapping food, etc.
Webster's New World
(as a misnomer) Aluminium foil.
Wiktionary
Synonyms:
tin-foilgold papersilver-paperzinc foillead-foilfoilaluminum-foiltinfoil paper

Origin of Tinfoil

  • Blend of tin and foil

    From Wiktionary

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