a. [f. L. tinctōri-us (Pliny) (f. tinctōr-em dyer) + -AL.] Of, pertaining to, or used in dyeing; yielding or using dye or coloring matter.
1655. How, Lett. to Sir T. Browne, 20 Sept., in B.’s Wks. (Bohn), III. 517. After wee have thus circumscribed the plant wee shall adde our experiments;… hortensiall,… medicinall,… tinctoriall.
1811. W. Taylor, in Monthly Mag., 1 Oct., 258/2. Plants, oleaginous, tinctorial, textile, medical, and culinary.
1837. Penny Cycl., IX. 227/1. Tinctorial colours are either simple or compound.
1887. Pall Mall G., 5 Sept., 7/2. Mr. C. O’Neill … discoursed on the change of fashion in colour, in a paper on ‘The extent to which calico printing and the tinctorial arts are affected by the introduction of modern colours.’
Hence Tinctorially adv.
1898. Allbutt’s Syst. Med., V. 412. The stain acts tinctorially as a free acid.
