hard rubber en · NOUN
Meanings
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(countable, uncountable) Vulcanized rubber: ebonite.
The development of hard rubber in the nineteenth century laid the groundwork for pneumatic tire technology.
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(countable, uncountable) Used 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.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| hard rubbers | Number=Plur | lexicographic |