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.
Ingredients Directions Line a large rimmed baking sheet with aluminum foil; lightly coat with cooking spray. Sarah Martens, Better Homes & Gardens, 15 Sep. 2025 Wrap in aluminum foil to keep warm. Elizabeth Nelson, Southern Living, 14 Sep. 2025 Take off the aluminum foil hat and face reality. Janelle Ash, FOXNews.com, 6 Sep. 2025 When freezing, cover the plastic wrap with aluminum foil. Robin Miller, AZCentral.com, 29 Aug. 2025 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 18 Sep. 2025.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!