basic dye

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.

Word History and Origins

Origin of basic dye¹

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.

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

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

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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.

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

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