deu: Küpenfarbstoff

Information
has URI	http://lexvo.org/id/term/deu/K%C3%BCpenfarbstoff

Meaning
means	(noun) a water-insoluble dye that is applied by reducing the dye to an alkaline form, applying the dye, then regenerating the insoluble dye by oxidation in the material; used for dyeing cotton vat color, vat dye