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phthalide |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Phthalide \Phthal"ide\, n. [Phthalyl + anhydride.] (Chem.) A lactone obtained by reduction of phthalyl chloride, as a white crystalline substance; hence by extension, any one of the series of which phthalide proper is the type [Written also {phthalid}.]
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