#gum_arabic__gumarabic__gum_acacia__gumacacia  gum from an acacia tree; used as a thickener (especially in candies and pharmaceuticals)
  supertype:  gum  any of various substances (soluble in water) that exude from certain plants; they are gelatinous when moist but harden on drying
  substance of:  acacia
  subtype:  Senegal_gum  from the vicinity of the Senegal river

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