tachetic

tachetic

adjective
(1) Maculated, spotted. 
(2) Marked by bluish or brownish spots.

Tachetic is not used in the working in medical parlance.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

ta·chet·ic

(tă-ket'ik)
Marked by bluish or brownish spots.
[Fr. tache, spot]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

tachetic

(tăk-ĕt′ĭk) [Fr. tache, spot]
Marked by purple or reddish-blue patches (taches).
Medical Dictionary, © 2009 Farlex and Partners