释义 |
phthal·o·cyanine \|thalō+\ noun Etymology: International Scientific Vocabulary phthal- + cyanine 1. or phthalocyanine blue G : a bright greenish blue crystalline compound C32H18N8 related to porphin — called also metal-free phthalocyanine; see dye table I (under Pigment Blue 16) 2. : any of various derivatives of phthalocyanine that in the case of the metal derivatives are brillant fast blue to green dyes or pigments made usually by heating phthalonitrile with a metal (as copper powder) or metallic salt |