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acid dye
noun
- 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.
acid dye
noun
- a dye in which the chromophore is part of a negative ion usually applied from an acidic solution
Word History and Origins
Origin of acid dye1
Example Sentences
Without knowing exactly which acid dyes are in the ties you will be using, it is best to practice caution and avoid breathing in potentially dangerous dye fumes when heating the ties in hot water.
The acid dyes derived from coal-tar are very numerous, and yield a great variety of hues—red, orange, yellow, green, blue, violet, brown, and black.
She works on wool rugs with acid dyes and watercolors to create stained, eaten-away works that suggest woolly mammoth hides attacked by avant-garde cave painters.
The Coarsely Granular Eosinophile Cell.—These large cells contain a number of well-defined granules which stain deeply with acid dyes.
The acid dyes specially suited for the production of soluble neutral stains are the easily soluble salts of the polysulpho-acids.
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