Stig·mat·ic Stig·mat·ic·al a.
 1. Marked with a stigma, or with something reproachful to character.
 2. Impressing with infamy or reproach. [R.]
 3. Bot., Anat., etc Of or pertaining to a stigma or stigmata.
 Stigmatic geometry, or Stigmatics, that science in which the correspondence of index and stigma (see Stigma, 7) is made use of to establish geometrical proportions.

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