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.

---

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

---

Etymology

Origin of cyanine

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

Example Sentences

See Examples For:

cyanine

The agents which generate so easily with cyanine, the rose-red, violet, or green coloration, cannot in any case impart these colors to the yellow substance obtained from flowers.

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

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

For the procuration of this coloring matter the method pursued is exactly as that for the preparation of cyanine.

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

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

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