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phthalocyanine

Syllabification: (phthal·o·cy·a·nine)

Pronunciation: /ˌTHaləˈsīəˌnēn/

Definition of phthalocyanine

noun

Chemistry

a greenish-blue crystalline dye of the porphyrin group.
- Chemical formula: C₃₂H₁₈N₈
any of a large class of green or blue pigments and dyes that are chelate complexes of this compound or one of its derivatives with a metal (in particular, copper).