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3 definitions found
 for Caoutchouc
From The Collaborative International Dictionary of English v.0.48 :

  Ule \U"le\ ([=u]"l[-e]), n. [Sp.] (Bot.)
     A Mexican and Central American tree ({Castilloa elastica and
     Castilloa Markhamiana) related to the breadfruit tree. Its
     milky juice contains caoutchouc. Called also ule tree.
     [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 :

  Caoutchouc \Caout"chouc\, n. [F. caoutchouc, from the South
     American name.]
     A tenacious, elastic, gummy substance obtained from the milky
     sap of several plants of tropical South America (esp. the
     euphorbiaceous tree Siphonia elastica or Hevea
     caoutchouc), Asia, and Africa. Being impermeable to liquids
     and gases, and not readly affected by exposure to air, acids,
     and alkalies, it is used, especially when vulcanized, for
     many purposes in the arts and in manufactures. Also called
     India rubber (because it was first brought from India, and
     was formerly used chiefly for erasing pencil marks) and gum
     elastic. See Vulcanization.
     [1913 Webster]
     Mineral caoutchouc. See under Mineral.
        [1913 Webster]

From WordNet (r) 3.0 (2006) :

      n 1: an elastic material obtained from the latex sap of trees
           (especially trees of the genera Hevea and Ficus) that can
           be vulcanized and finished into a variety of products [syn:
           rubber, natural rubber, India rubber, gum elastic,

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