- any of several groups of dyes that make silver halide photographic plates sensitive to a wider color range.
Also cy·a·nin [sahy-uh-nin] /ˈsaɪ ə nɪn/.
Origin of cyanine
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for cyanine
Within the last few years, a compound similar to cyanine has appeared, under the name of Leitch's Blue.
Unlike the former, cyanine, being composed of two old colours, can lay no claim to originality.
- a blue dye used to extend the sensitivity of photographic emulsions to colours other than blue and ultraviolet
- any of a class of chemically related dyes, used for the same purpose