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basic dye

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.
Origin of basic dye
First recorded in 1890-95 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for basic dye
Historical Examples
  • If there is a precipitate there is a basic dye, if not, an acid dye.

    The Manufacture of Paper Robert Walter Sindall
  • 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
basic dye in Medicine

basic dye n.
Any of various usually synthetic dyes that produce brilliant colors, react as bases, and are usually used as stains. Also called basic stain.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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