cyanine definition

  • noun:
    • Any of numerous blue dyes, always sensitize photographic emulsions to a greater variety of light.
    • any one of a family group of artificial blue dyes utilized in photography an such like.
    • among a series of artificial blue or purple dyes obtained from quinoline and lepidine and used in calico publishing.
    • The blue coloring case of particular blossoms, as corn-flower, violet, and types of iris.
    • In chem., an attractive blue dye, chinoline blue, made by acting on an assortment of chinoline and lepidine with amyl iodide. Unfortuitously it doesn't withstand the action of light, and hence has actually lost its significance as a dyestuff, but, it is found in making orthochromatic plates for photography.
    • some of different blue dyes, regularly sensitize photographic emulsions to a greater selection of light.
    • Any of a family group of artificial blue dyes found in photography an such like.
    • certainly one of a series of synthetic blue or red dyes gotten from quinoline and lepidine and utilized in calico printing.
    • The blue coloring question of certain plants, as the corn-flower, violet, and types of iris.
    • In chem., a lovely blue dye, chinoline azure, prepared by functioning on an assortment of chinoline and lepidine with amyl iodide. Sadly it will not resist the activity of light, thus features lost its relevance as a dyestuff, but, it is found in making orthochromatic dishes for photography.

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