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Definition of neocyanine in English:

neocyanine

noun

Chemistry

  • Any of a group of cyanine dyes which are quaternary iodides derived from lepidine and were formerly used to sensitize photographic emulsions and plates to infrared light.

Pronunciation

neocyanine

/ˌniːə(ʊ)ˈsʌɪəniːn/ /nɪəˈsʌɪəniːn/

Origin

1920s.