caoutchouc : Idioms & Phrases

Index

caoutchouc tree

  • noun deciduous tree of the Amazon and Orinoco Rivers having leathery leaves and fragrant yellow-white flowers; it yields a milky juice that is the chief source of commercial rubber
    Hevea brasiliensis; Para rubber tree.
WordNet

Mineral caoutchouc

  • an elastic mineral pitch, a variety of bitumen, resembling caoutchouc in elasticity and softness. See Caoutchouc, and Elaterite.
Webster 1913