hard rubber
noun
: a firm rubber or rubber product
especially
: a normally black horny substance made by vulcanizing natural rubber with high percentages of sulfur
Examples of hard rubber in a Sentence
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The upper is typically made from woven fabric, the sole combines soft, bouncy foam and hard rubber, and some elements are often made from plastics.
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Maryna Holovnova, New Atlas, 12 May 2026
The top and bottom of the Play are made from a hard rubber commonly used in portable speakers.
—Eric Zeman, PC Magazine, 26 Mar. 2026
The 3mm lugs provide secure footing on mellow dirt and gravel surfaces, while still allowing the shoe to run smoothly on roads—there’s no slapping sound or feel of hard rubber hitting pavement, or clunkiness from toothy lugs meant for super-technical terrain.
—Lisa Jhung, Outside, 16 Mar. 2026
Its hard rubber on the outside is super durable and safe and has a firm handle for easy transportation.
—Bestreviews, Mercury News, 10 Nov. 2025
See All Example Sentences for hard rubber
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Maryna Holovnova, New Atlas, 12 May 2026
The top and bottom of the Play are made from a hard rubber commonly used in portable speakers.
—Eric Zeman, PC Magazine, 26 Mar. 2026
The 3mm lugs provide secure footing on mellow dirt and gravel surfaces, while still allowing the shoe to run smoothly on roads—there’s no slapping sound or feel of hard rubber hitting pavement, or clunkiness from toothy lugs meant for super-technical terrain.
—Lisa Jhung, Outside, 16 Mar. 2026
Its hard rubber on the outside is super durable and safe and has a firm handle for easy transportation.
—Bestreviews, Mercury News, 10 Nov. 2025
See All Example Sentences for hard rubber
Cite this Entry
“Hard rubber.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hard%20rubber. Accessed 21 May. 2026.
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