basic dye

American  

noun

1. a dye soluble in acid and insoluble in basic solution, consisting mostly of amino or imino compounds of xanthene or triarylmethane: used mainly for inks, carbon paper, and typewriter ribbon.

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Etymology

Origin of basic dye

First recorded in 1890–95

Example Sentences

The basic dyes are so called because their essential constituents, to which they owe their dyeing power, are organic bases.

From Project Gutenberg

The Basophile Cell.—This possesses a spherical nucleus and the protoplasm contains a small number of granules staining deeply with basic dyes.

From Project Gutenberg

It is possible straight away to make mixtures consisting of two basic dyes.

From Project Gutenberg

This is best done with basic dyes, in some cases also with acid dye-stuffs in cold or tepid bath with addition of sulphuric acid, hydrochloric or acetic acid.

From Project Gutenberg

The affinity of the basic dyes for wool increases with increase of temperature.

From Project Gutenberg