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Text File  |  1992-09-01  |  268b  |  8 lines

  1. A stringent substance, composed of several
  2. phenol rings, occurring in the bark, wood,
  3. roots, fruits, and galls (growths) of certain
  4. trees, such as the oak. It precipitates
  5. gelatin to give an insoluble compound, used
  6. in the manufacture of leather from hides
  7. (tanning).
  8.