#pureness__purity  being undiluted or unmixed with extraneous material
  exclusion:  #impureness
  supertype:  #condition.state__status  a condition or state at a particular time: "a condition (or state) of disrepair"; "the current status of the arms negotiations"
  subtype:  #plainness.pureness__plainnes  the state of being unmixed with other material; "the plainness of vanilla ice cream"

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