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.
Covering the pan in aluminum foil also helps make cleanup a breeze. — Jenna Sims, Southern Living, 8 July 2026 Researchers cut these layers into sheets, soak them in water, and gently shake the material to separate the cathode coating from the aluminum foil. — Sujita Sinha, Interesting Engineering, 2 July 2026 Fire shelters are made of multiple layers Crafted from aluminum foil, silica fabric and fiberglass, fire shelters are designed to protect users from the intense heat of flames and to trap breathable air inside as a fire passes. — Jack Dura, Los Angeles Times, 2 July 2026 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 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

Rhymes for aluminum foil

See All Rhymes for aluminum foil

Browse Nearby Words

aluminum bronze
aluminum foil
aluminum gallium arsenide
See all Nearby Words

Cite this Entry

“Aluminum foil.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aluminum%20foil. Accessed 10 Jul. 2026.

Copy Citation
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!

Popular in Grammar & Usage

See More

Is that lie 'bald-faced' or 'bold-faced'?

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?

Commonly Misspelled Words

How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-)
See More

Popular in Wordplay

See More

14 Phobias You Probably Haven't Heard Of

The Longest Long Words List

One-Word Oxymorons: Bittersweet, Spendthrift, and More

Ten Words Ending with a Silent ‘T’

The Words of the Week - Jul 10
See More

Popular

See More

Is that lie 'bald-faced' or 'bold-faced'?

14 Phobias You Probably Haven't Heard Of

The Longest Long Words List
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
banana-mirrored
Contradictory Words Quiz Pick out which word means one thing…and the opp...
See All