Definitions

1. verb

to dye or color with an iris or other plant having a valuable dye.

“The artisan irisated the fabric to create a beautiful shade of blue.”

2. verb

to dye or color with an iris or other plant having a valuable dye, especially in the 17th and 18th centuries.

“In the 18th century, the technique of irisating textiles became popular.”

3. noun

a substance used to dye or color textiles, especially one derived from the iris plant.

“The art conservator analyzed the irisate used in the old painting.”