gutta-percha
/ˈgʌtəˈpɜːtʃə/noun
mass noun
1- a hard tough thermoplastic substance which is the coagulated latex of certain Malaysian trees. It consists chiefly of a hydrocarbon isomeric with rubber and is now used chiefly in dentistry and for electrical insulation.古塔（波）胶, 杜仲胶, 胶木胶（马来西亚一些树种产出的树胶, 主要由与橡胶同质异构的一种碳氢化合物构成, 现主要用于牙科治疗和作为电绝缘材料）。
1.1
- This substance is obtained from trees of the genus Palaquium, family Sapotaceae, in particular P. gutta.该物质系来自山榄科胶木属树木, 尤其是胶木。
词源
mid 19th cent.: from Malay getah perca, from getah 'gum' + perca 'strips of cloth' (which it resembles)， altered by association with obsolete gutta 'gum'， from Latin gutta 'a drop'.