| 单词 | phthalins |
| 释义 | phthalic /thalˈik or fthalˈik/ (chem)adjectiveApplied to three acids, C6H4(COOH)2, and an anhydride, derived from naphthalene ORIGIN: naphthalene phthalˈate noun A salt or ester of phthalic acid phthalˈein /-i-in/ noun Any one of a very important class of dye-yielding materials formed by the union of phenols with phthalic anhydride phthalˈin noun A colourless crystalline compound obtained by reducing a phthalein phthalocyˈanin or phthalocyˈanine noun Any of a group of green and blue organic colouring matters of great fastness and brilliance |
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