The Collaborative International Dictionary of English v.0.48:

Stigmatic \Stig*mat"ic\, Stigmatical \Stig*mat"ic*al\, a. [See
   Stigma.]
   1. Marked with a stigma, or with something reproachful to
      character.
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   2. Impressing with infamy or reproach. [R.]
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   3. (Bot., Anat., etc) Of or pertaining to a stigma or
      stigmata.
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   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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