hard rubber

noun

Vulcanized rubber: ebonite.

“The device sits on little feet made of some kind of hard rubber.”

Similar
vulcaniteebonite
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Meanings

nounhard rubber (countable and uncountable, plural hard rubbers)

plural hard rubbers

  1. countableuncountableVulcanized rubber: ebonite.

    The development of hard rubber in the nineteenth century laid the groundwork for pneumatic tire technology.

  2. countableuncountableUsed other than figuratively or idiomatically: see hard, rubber: any rubber that is not very soft and pliable.

    The device sits on little feet made of some kind of hard rubber.

Synonyms & antonyms

nouna hard nonresilient rubber formed by vulcanizing natural rubber

Similar
vulcaniteebonite
Broader
rubbernatural rubberIndia rubber
Also see
ebonitevulcanite

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

hard rubber. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/hard%20rubber

MLA

“hard rubber.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hard%20rubber. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “hard rubber,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/hard%20rubber.

Source: hard rubber on Wiktionary, CC BY-SA 4.0.