neutral dye


neutral dye
noun
1. : a dye capable of dyeing fibers (as cotton) directly in a neutral or faintly alkaline bath
2. : a salt formed by interaction of an acid dye (as eosin) and a basic dye (as methylene blue) — called also neutral stain

Useful english dictionary. 2012.

Look at other dictionaries:

  • neutral dye — n a salt formed by interaction of an acid dye (as eosin) and a basic dye (as methylene blue) called also neutral stain …   Medical dictionary

  • neutral stain — n NEUTRAL DYE * * * a compound that combines an acid dye and a basic dye, the cation and anion of the resulting salt each having a different color …   Medical dictionary

  • neutral stain — noun : neutral dye 2 …   Useful english dictionary

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  • neutral red — Used as an indicator (red at pH 6.8, yellow at 8.0), as a vital dye to stain granules and vacuoles in living cells, in testing the secretion of acid by the stomach (given with a test meal), and in general histologic staining. SYN …   Medical dictionary

  • neutral gray G — noun : a direct dye see dye table I (under Direct Black 3) …   Useful english dictionary

  • neutral red — noun Date: 1890 a basic dye used chiefly as a biological stain and acid base indicator …   New Collegiate Dictionary