Source : Webster's Revised Unabridged Dictionary (1913)

Tinctorial \Tinc*to"ri*al\, a. [L. tinctorius, from tinctor a
   dyer, tingere, tinctum, to dye: cf. F. tinctorial. See
   {Tinge}.]
   Of or relating to color or colors; imparting a color; as,
   tinctorial matter. --Ure.