9 Grammatical Pitfalls


[tin-foil] /ˈtɪnˌfɔɪl/
tin, or an alloy of tin and lead, in the form of a thin sheet, much used as a wrapping for drugs, foods, tobacco, etc.
Also called, British, silver paper.
Origin of tinfoil
late Middle English
1425-75; late Middle English tynfoile. See tin, foil2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for tinfoil
  • So, you can keep that tinfoil helmet in your closet for now.
  • Only your tinfoil cap protects you from their deviant rays.
  • He eventually formulated a machine with a tinfoil-coated cylinder and a diaphragm and needle.
  • Also in the briefcase were seven four-packs of lithium batteries and rolled tinfoil.
  • He found a piece of tinfoil and carefully wrapped the ductwork, blocking the crack.
  • The crack cocaine was contained in two little clear plastic wrappers wrapped in tinfoil.
  • Cocaine was also found packaged in tinfoil on the bathroom floor.
British Dictionary definitions for tinfoil


thin foil made of tin or an alloy of tin and lead
thin foil made of aluminium; used for wrapping foodstuffs
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for tinfoil

late 15c., from tin (n.) + foil (n.).

Online Etymology Dictionary, © 2010 Douglas Harper
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Difficulty index for tinfoil

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Word Value for tinfoil

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