cyanine
noun
cy·a·nine
ˈsī-ə-ˌnēn 
-nən
: any of various dyes used especially to sensitize photographic film to light from the green, yellow, red, and infrared regions of the spectrum
Cite this Entry
“Cyanine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cyanine. Accessed 13 Jul. 2025.
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