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

Safranine S. The Janus colours are a series of dyes of a basic nature which can be applied somewhat differently to the ordinary basic dyes, although the ordinary method can be followed.

From Project Gutenberg

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

From Project Gutenberg