hard rubber

hard rubber

n. Ebonite.

hard rubber

n (Elements & Compounds) a hard fairly inelastic material made by vulcanizing natural rubber. See vulcanite

hard′ rub′ber

n. rubber vulcanized with a large amount of sulfur, usu. 25–35 percent, to render it stiff and comparatively inflexible.

Thesaurus

Noun

1.

hard rubber - a hard nonresilient rubber formed by vulcanizing natural rubberebonite, vulcanitecaoutchouc, gum elastic, India rubber, natural rubber, rubber - an elastic material obtained from the latex sap of trees (especially trees of the genera Hevea and Ficus) that can be vulcanized and finished into a variety of products