cyanine

cy·a·nine

[sahy-uh-neen, -nin]
noun
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] .


Origin:
1870–75; cyan-1 + -ine2

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World English Dictionary
cyanine or cyanin (ˈsaɪəˌniːn, ˈsaɪənɪn) [Click for IPA pronunciation guide]
 
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

Collins English Dictionary - Complete & Unabridged 10th Edition
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00:10
Cyanine is always a great word to know.
So is slumgullion. Does it mean:
a stew of meat, vegetables, potatoes, etc.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
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