Chem. [f. CAOUTCHOUC + -IN.] A thin volatile oily liquid or empyreumatic oil, obtained from caoutchouc by dry distillation. It is composed of two polymeric hydrocarbons, Caoutchin and Isoprene.
1863–72. Watts, Dict. Chem., I. 739. Caoutchoucin … forms an excellent solvent for caoutchouc and other resins.
