bir çeşit siyah sert kauçuk

listen to the pronunciation of bir çeşit siyah sert kauçuk
التركية - الإنجليزية
ebonite
The relatively hard product of vulcanizing natural rubber with sulfur; vulcanite
A hard, black variety of vulcanite
{i} vulcanite, hard black material (mix of rubber and sulfur)
It may be cut and polished, and is used for many small articles, as combs and buttons, and for insulating material in electric apparatus
a hard nonresilient rubber formed by vulcanizing natural rubber