tinfoil

noun

tin·​foil ˈtin-ˌfȯi(-ə)l How to pronounce tinfoil (audio)
: a paper-thin metal sheeting usually of aluminum or tin-lead alloy

Examples of tinfoil in a Sentence

Wrap the leftover food in tinfoil.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Every weekday morning, drivers arrive at the Little Tokyo Towers at 10 a.m. carrying precious cargo: seniors’ meals individually wrapped in tinfoil. Jireh Deng, Los Angeles Times, 4 Oct. 2024 Oatmeal tasted rancid, and honey like moldy tinfoil. Tamara Shopsin, New York Times, 26 Sep. 2024 Young filmmaker Jazmin Jones and her collaborator Olivia McKayla Ross put on their detective caps – possibly with tinfoil lining underneath – in the award-winning new film Seeking Mavis Beacon. Matthew Carey, Deadline, 10 Sep. 2024 Then Ben shows up, wearing a tinfoil hat under a fedora. Kimberly Roots, TVLine, 18 July 2024 See all Example Sentences for tinfoil 

Word History

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of tinfoil was in the 14th century

Dictionary Entries Near tinfoil

Cite this Entry

“Tinfoil.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tinfoil. Accessed 21 Nov. 2024.

Kids Definition

tinfoil

noun
tin·​foil ˈtin-ˌfȯil How to pronounce tinfoil (audio)
: a thin metal sheeting usually of aluminum or an alloy of tin and lead

More from Merriam-Webster on tinfoil

Last Updated: - Updated example sentences
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