The caoutchouc obtained from the South American euphorbiaceous tree Hevea brasiliensis, hence called the Para rubber tree, from the Brazilian river and seaport named Para; also, the similar product of other species of Hevea. It is usually exported in flat round cakes, and is a chief variety of commercial India rubber.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). para rubber. Retrieved September 25, 2026, from http://smartdefine.org/para_rubber/definitions/2041875 |
| Chicago | Webster's. 2011. "para rubber" http://smartdefine.org/para_rubber/definitions/2041875 (accessed September 25, 2026). |
| Harvard | Webster's 2011, para rubber, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/para_rubber/definitions/2041875>. |
| MLA | Webster's. "para rubber" 27 May 2011. Web. 25 September 2026. <http://smartdefine.org/para_rubber/definitions/2041875> |