aluminum foil

noun

: thin aluminum sheeting used especially to cover and wrap food

Examples of aluminum foil in a Sentence

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.
Parisians have taken to sticking aluminum foil to their windows to reflect sunlight, rolling down their window shutters and living in utter darkness, and forgoing any meals that require turning on the stove or oven. Jessica Roy, Curbed, 29 June 2026 But the observatory is covered in something like aluminum foil for thermal insulation, and no one knows what state this layer is in because no one has seen Swift up close for 20 years. Anna Y. Q. Ho, Scientific American, 29 June 2026 Line the sheet pan with aluminum foil, and there's even fewer dishes to worry about when making these recipes. Alana Al-Hatlani, Southern Living, 25 June 2026 No need to look at the boxes of aluminum foil, plastic wrap, and parchment paper piled up on top of the fridge. Paige Bennett, Better Homes & Gardens, 25 June 2026 See All Example Sentences for aluminum foil

Word History

First Known Use

1858, in the meaning defined above

Time Traveler
The first known use of aluminum foil was in 1858

Cite this Entry

“Aluminum foil.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aluminum%20foil. Accessed 5 Jul. 2026.

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