tin foil tinfoil • tin-foil · · · Info · Definitions · Synonyms · Characters · · tin foil · · Text Common · · Latin · · Scripts 8 · · Length 2 · · Syllables Definitions · · · (noun) foil made of tin or an alloy of tin and lead. Synonyms: tinfoil, tin foil. · · Noun Definition 1 (noun) foil made of aluminum. Synonyms: aluminum foil, aluminium foil, tin foil. · · Noun Definition 2 Synonyms · · · tinfoil · · Synonym 1 aluminum foil · · Synonym 2 aluminium foil · · Synonym 3 Characters · · space U+0020 f latin small letter f U+0066 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F t latin small letter t U+0074