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

In the same way by filling the part of the square with the pigment on which the shadow illuminated by the reflected beam falls, we can see if we can match emerald green, cyanine blue, and other coloured pigments.

From Project Gutenberg

Cyanine, Eosine, Quinoline Red, &c., are employed in the manufacture of ortho-chromatic plates, by means of which the colours of natural objects can be photographed in the same degrees of light and shade as they appear to the eye—blue, for example, appearing a darker grey, yellow, a lighter grey, in the printed photograph.

From Project Gutenberg

Blue.—Azo blue, benzoazurine, brilliant azurine, sulphon-azurine, diamine blue, benzo indigo blue, benzo black blue, Chicago blue, Columbia blue, Erie blue, Zambezi blue, benzo cyanine, Congo blue, diamine sky blue, brilliant benzo blue, benzo chrome black blue, oxamine blue, diphenyl blue, diamineral blue, diaminogene, benzo fast blue, diazo indigo blue, brilliant chlorazol blue.

From Project Gutenberg

Blue.—Alizarin blue, alizarin blue S, alizarin cyanine, anthracene blue, brilliant alizarin blue, alizarin indigo blue S, gallanilic indigo, acid alizarin blue, brilliant alizarin cyanine, alizarin grisole, alizarin sky blue, alizarin saphirole, gallanilide blue, delphine blue, gallamine blue, celestine blue, chrome blue, gallazine A, phenocyanine, core�ne.

From Project Gutenberg

Black.—Alizarin black, diamond black, alizarin blue black, alizarin cyanine black, alizarin fast grey, chromotrope, chrome black, erio chrome black, anthracite black, acid alizarin black, anthracene chrome black.

From Project Gutenberg