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 Gut·ta-per·cha n.  A concrete juice produced by various trees found in the Malayan archipelago, especially by the Isonandra Gutta, syn. Dichopsis Gutta.  It becomes soft, and unpressible at the tamperature of boiling water, and, on cooling, retains its new shape. It dissolves in oils and ethers, but not in water. In many of its properties it resembles caoutchouc, and it is extensively used for many economical purposes. The Mimusops globosa of Guiana also yields this material.
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 I·so·nan·dra prop. n.  Bot. A genus of sapotaceous trees of India. Isonandra Gutta is the principal source of gutta-percha.
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