A chemical substance that removes glossiness from synthetic fibers and fabrics to create a matte effect.
From 'de-' (remove) + 'luster' (shine) + '-ant' (agent suffix). Variant of 'delusterant,' both emerging in 20th-century textile chemistry terminology.
The chemistry term 'delustrant' and its variant 'delusterant' coexist in technical literature—language doesn't always pick one winner, especially in specialized fields where both forms prove useful.
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