Cyanine Definition

sīə-nēn, -nĭn
noun
A soluble, crystalline, blue dye, C29H35N2I, derived from quinoline and used as a sensitizer in photography.
Webster's New World
Any of various blue dyes, used to sensitize photographic emulsions to a greater range of light.
American Heritage

Other Word Forms of Cyanine

Noun

Singular:
cyanine
Plural:
cyanines