Phrase guide

hard rubber

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

Vulcanized rubber: ebonite.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Examples

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

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

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

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Examples

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

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

a hard nonresilient rubber formed by vulcanizing natural rubber

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: vulcanite, ebonite

Antonyms: none provided

Broader terms: rubber, natural rubber, India rubber, gum elastic, caoutchouc

History

Etymology

No etymology was provided for this word.