tinfoil
noun
tin·foil
ˈtin-ˌfȯi(-ə)l 
: 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
When asked about the tinfoil in the upstairs bathroom, Ryan said Weidell sometimes smoked in the bathroom.
—
Nick Ferraro, Twin Cities, 23 Jan. 2025
There’s a half-can of chipotles in adobo beneath a tinfoil hat in the back of the fridge.
—Sam Sifton, New York Times, 11 Apr. 2025
Edison’s machine recorded onto a thin piece of tinfoil wrapped around a cylinder.
—IEEE Spectrum, 30 Apr. 2018
Responding officers found the tinfoil of methamphetamine that Morales had seized earlier in a pants pocket of his uniform.
—Karen Garcia, Los Angeles Times, 4 Mar. 2025
See All Example Sentences for tinfoil
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Nick Ferraro, Twin Cities, 23 Jan. 2025
There’s a half-can of chipotles in adobo beneath a tinfoil hat in the back of the fridge.
—Sam Sifton, New York Times, 11 Apr. 2025
Edison’s machine recorded onto a thin piece of tinfoil wrapped around a cylinder.
—IEEE Spectrum, 30 Apr. 2018
Responding officers found the tinfoil of methamphetamine that Morales had seized earlier in a pants pocket of his uniform.
—Karen Garcia, Los Angeles Times, 4 Mar. 2025
See All Example Sentences for tinfoil
Cite this Entry
“Tinfoil.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tinfoil. Accessed 14 Jul. 2025.
Copy CitationKids Definition
tinfoil
noun
tin·foil
ˈtin-ˌfȯil
: a thin metal sheeting usually of aluminum or an alloy of tin and lead
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