cyanin

cyanine

[sahy-uh-neen, -nin]
noun
any of several groups of dyes that make silver halide photographic plates sensitive to a wider color range.
Also, cyanin [sahy-uh-nin] .


Origin:
1870–75; cyan-1 + -ine2

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World English Dictionary
cyanine or cyanin (ˈsaɪəˌniːn, ˈsaɪənɪn)
 
n
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
 
cyanin or cyanin
 
n

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