单词 | phthalein |
释义 | Word Frequency phthalein(ˈθeɪliːn, -lɪɪn, ˈθæl-, ˈfθæl-) noun any of a class of organic compounds obtained by the reaction of phthalic anhydride with a phenol and used in dyes Word origin C19: from phthal-, shortened form of naphthalene +-in |
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