cell wall

noun

: the usually rigid nonliving permeable wall that surrounds the plasma membrane and encloses and supports the cells of most plants, bacteria, fungi, and algae see cell illustration

Examples of cell wall 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.
Produce Preservation Through Microbial Defense Bacteria and fungi are among the most common culprits in food decay, entering through bruises or openings and breaking down cell walls. Daphne Ewing-Chow, Forbes.com, 29 May 2025 Frank Morris and brothers Clarence and John Anglin, all in their 30s, shimmied with a homemade raft through hidden holes in their cell walls, climbed through a ventilation duct onto the roof and shoved off from the island fortress into the freezing, choppy waters of San Francisco Bay. Chris Lau, CNN Money, 28 May 2025 Beginning in the early hours of May 16, ten inmates escaped by cutting through a cell wall behind a toilet and scaling a fence. Jon Schuppe, NBC news, 24 May 2025 Turning Poop Into Products Cellulose, found naturally in plant cell walls, has been a cornerstone of manufacturing since the 19th century. Stephanie Edwards, Discover Magazine, 7 May 2025 See All Example Sentences for cell wall

Word History

First Known Use

1840, in the meaning defined above

Time Traveler
The first known use of cell wall was in 1840

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Cite this Entry

“Cell wall.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cell%20wall. Accessed 3 Jun. 2025.

Kids Definition

cell wall

noun
: the firm nonliving layer that encloses and supports the cells of most plants, bacteria, fungi, and algae

Medical Definition

cell wall

noun
: the usually rigid nonliving permeable wall that surrounds the plasma membrane and encloses and supports the cells of most plants, bacteria, fungi, and algae

More from Merriam-Webster on cell wall

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