carbocyanine

noun

car·​bo·​cy·​a·​nine

¦kär(ˌ)bōˈsīəˌnēn,

-nə̇n

variants or carbocyanine dye

plural -s

: any of a class of cyanine dyes in whose structure the two heterocyclic rings are joined by a three-carbon chain (as =CH−CH=CH−)

specifically : any such dye containing two quinoline rings

called also trimethine

Word History

Etymology

International Scientific Vocabulary carb- + cyanine; originally formed as German karbozyanin

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