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The Collaborative International Dictionary
Tinctorial

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.

Wiktionary
tinctorial

a. Of or relating to tincture (dye or colour)

Usage examples of "tinctorial".

Lewis was the first to advocate logwood as a tinctorial agent in connection with iron and gall compositions.