单词 | phthalocyanine |
释义 | Word Frequency phthalocyanine or phthalocyanin (ˌθæləʊˈsaɪəˌniːn, ˌθeɪ-, ˌfθæl-) noun 1. a cyclic blue-green organic pigment. Formula: (C6H4C2N)4N4H4 2. any of a class of compounds derived by coordination of this compound with a metal atom. They are blue or green pigments used in printing inks, plastics, and enamels Word origin C20: from phthal- (see phthalein) + cyanine |
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