[ sahy-uh-neen, -nin ]
/ ˈsaɪ əˌnin, -nɪn /
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/.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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.
British Dictionary definitions for cyanine
/ (ˈsaɪəˌniːn) /
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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012