tinfoil

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noun tin·foil \ˈtin-ˌfȯi(-ə)l\

Definition of tinfoil

  1. :  a paper-thin metal sheeting usually of aluminum or tin-lead alloy

Examples of tinfoil in a Sentence

  1. Wrap the leftover food in tinfoil.

Recent Examples of tinfoil from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tinfoil.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of tinfoil

14th century


TINFOIL Defined for English Language Learners

tinfoil

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noun

Definition of tinfoil for English Language Learners

  • : a thin sheet of shiny metal that is used especially for cooking or storing food


TINFOIL Defined for Kids

tinfoil

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noun tin·foil \ˈtin-ˌfȯil\

Definition of tinfoil for Students

  1. :  a thin metal sheeting usually of aluminum or an alloy of tin and lead



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