硫化橡膠 liúhuàxiàngjiāo vulcanized rubber Origin Definitions Defs Strokes Stroke Words Sentences Sents 硫化 liúhuà vulcanization The chemical process of treating raw rubber with sulfur and heat to improve its strength and elasticity橡胶 橡膠 xiàngjiāo noun rubber rubber; caoutchouc; a highly elastic polymer that is waterproof, airtight, and non-conductive