acid dye

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noun Chemistry.

any of a class of dyes containing one or more acidic groups, as the sulfo group: used in acid solution chiefly for dyeing wool and silk.

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Origin of acid dye

First recorded in 1885–90

Words nearby acid dye

acid-base indicator, acid cell, acid deposition, acid drop, acid dust, acid dye, acid-fast, acid-forming, acid halide, acid-head, acid house

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use acid dye in a sentence

This is effected by the judicious addition of a suitable acid dye to the pulp already coloured with the basic dye.
The Manufacture of Paper|Robert Walter Sindall
The goods may advantageously be bottomed with an acid dye or a dye-wood extract, and then finished with basic dyes.
Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 3|Various
The use of acid dye-stuffs is restricted to cases where the silk alone is to be shaded.
The Dyeing of Cotton Fabrics|Franklin Beech
For shading the silk all acid dye-stuffs can be used which have been mentioned in the foregoing tables.
The Dyeing of Cotton Fabrics|Franklin Beech

If there is a precipitate there is a basic dye, if not, an acid dye.
The Manufacture of Paper|Robert Walter Sindall

British Dictionary definitions for acid dye

acid dye

noun

a dye in which the chromophore is part of a negative ion usually applied from an acidic solution

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012