Definition of "tinctorial" [tinc•to•ri•al]

• Relating to the processes of dyeing or coloring. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Some dyes (of high tinctorial yield) produce a deep shade with a small amount of dye, whilst others"
• "The strengths (or tinctorial yields) of dyestuffs differ and it may cost less to use a smaller amount of a stronger dye to produce the same colour."
• "Some of them, namely, sculptors 'and potters' forms, are used for shaping the form we have called form C, whereas others, such as the tinctorial and printing forms, give objects color as well as shape, thus producing forms in the meaning of form A. History shows that the importance of form F in art is increasing."