phthalocyanine
noun
- a blue-green organic compound, (CHCN)N
- any of a group of brilliant, green or blue pigments that are metal, esp. copper, derivatives of this compound
See phthalocyanine in American Heritage Dictionary 4
(thălˌō-sīˈə-nēnˌ, fthălˌ-)
noun Any of several stable, light-fast, blue or green organic pigments derived from the basic compound (C6H4C2N)4N4 and used in enamels, printing inks, linoleum, and plastics.
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