closed-cell

adjective

ˈklōz(d)-ˈsel How to pronounce closed-cell (audio)
: consisting of numerous small sealed cavities usually filled with air
closed-cell foam

Examples of closed-cell 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.
The foam used, called Croslite, is made from closed-cell resin. — Vicki M. Young, Footwear News, 3 Sep. 2019 Croslite is a closed-cell resin that mimics the properties of foam and rubber. — Bestreviews, Mercury News, 29 May 2026 Escape insulates its trailers with closed-cell foam and adds in a soft-touch vinyl interior layer. — New Atlas, 2 Dec. 2025 Made from closed-cell foam, these sandals boast impressive durability, standing up to daily wear and tear. — Cory Smith, Outside Online, 20 Dec. 2024 Its closed-cell surface is designed to lock out moisture and bacteria, and wiping it down with a yoga mat spray helps to keep things hygienic. — Emily Peck, Wired News, 21 May 2026 Ozark Trail Closed-Cell Foam Pad A closed-cell foam pad won’t be comfortable enough for most winter campers, especially not those sleeping directly on snow. — Adam Roy, Outside, 28 Dec. 2025 The resulting insole has better cushioning and bounce-back than traditional closed-cell foam, DSC said, with resiliency scores up to 50 percent, using ASTM D2632. — Alexandra Harrell, Sourcing Journal, 3 Sep. 2019

Word History

First Known Use

1942, in the meaning defined above

Time Traveler
The first known use of closed-cell was in 1942

Rhymes for closed-cell

See All Rhymes for closed-cell

Browse Nearby Words

closed-captioning
closed-cell
closed cell foam
See all Nearby Words

Cite this Entry

“Closed-cell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/closed-cell. Accessed 10 Jul. 2026.

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