elaterite

e.lat.er.ite

n.（名词）
A brown-to-black, soft, elastic hydrocarbon resin.
弹性沥青：一种深棕色，柔软可弯曲的烃树脂

来源：
elater [elasticity (obsolete)]
elater[弹性物质（废用）]
-ite
-ite