[ dee-luhs-ter-ing ]
/ diˈlʌs tər ɪŋ /
a chemical process for reducing the luster of rayon yarns by adding a finely divided pigment to the spinning solution.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for delustering
The delustering spots seen on the fiber were the same size, and both fibers were approximately the same diameter.
It does not have the delustering agent added to it, to cut down the luster.