cyanine

[ sahy-uh-neen, -nin ]

noun

1. any of several groups of dyes that make silver halide photographic plates sensitive to a wider color range.

cyanine

/ ˈsaɪəˌniːn; ˈsaɪənɪn /

noun

1. a blue dye used to extend the sensitivity of photographic emulsions to colours other than blue and ultraviolet
2. any of a class of chemically related dyes, used for the same purpose

Word History and Origins

Origin of cyanine¹

First recorded in 1870–75; cyan- ¹ + -ine ²

Example Sentences

Among the semi-stable, must be classed cyanine or Leitch's blue, smalt, and Prussian blue.

From Project Gutenberg

Alizarin saphirole dyes clear blue, the colour produced being much more brilliant even than those of brilliant alizarin cyanine.

From Project Gutenberg

Within the last few years, a compound similar to cyanine has appeared, under the name of Leitch's Blue.

From Project Gutenberg

Unlike the former, cyanine, being composed of two old colours, can lay no claim to originality.

From Project Gutenberg

Sulphon cyanine works well with other dye-stuffs, and gives shades which are fast to milling.

From Project Gutenberg