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ester gum

noun

, Chemistry.
  1. any of several hard resins produced by the esterification of a natural resin, especially rosin, with a polyhydric alcohol, chiefly glycerol: used in the manufacture of paints, varnishes, and lacquers.


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Word History and Origins

Origin of ester gum1

First recorded in 1935–40

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esteraseEsterhazy