#pachyderm  any of various nonruminant hoofed mammals having very thick skin: elephant; rhinoceros; hippopotamus
  supertype:  placental_mammal__placentalmammal__placental__eutherian__eutherian_mammal__eutherianmammal  mammals having a placenta; all mammals except monotremes and marsupials
  part:  thick_skin__thickskin  skin that is very thick (as an elephant or rhinoceros)

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