cyanine

American  

[sahy-uh-neen, -nin] / ˈsaɪ əˌnin, -nɪn /

Also cyanin

noun

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

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cyanine British  

/ 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

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Etymology

Origin of cyanine

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

Example Sentences

Xanthine, in combination with cyanine, modified by the various juices of plants, communicates in variable proportions orange-yellow, scarlet-red, and red colors to flowers.

From The Art of Perfumery And Methods of Obtaining the Odors of Plants by Piesse, George William Septimus

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

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" by Various

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

From Field's Chromatography or Treatise on Colours and Pigments as Used by Artists by Salter, Thomas

Another class of bodies also concerns our subject: the special sensitisers used by the photographer to modify the spectral distribution of sensibility of the haloid salts, _e.g._ eosine, fuchsine, cyanine.

From The Birth-Time of the World and Other Scientific Essays by Joly, John

Scarlet-red flowers also contain cyanine reddened by an acid, but in such cases this substance is mixed with a yellow coloring matter which we will now describe.

From The Art of Perfumery And Methods of Obtaining the Odors of Plants by Piesse, George William Septimus