DioxindolDi`ox*in"dol\, n. [Pref. di- + oxygen + indol.] (Chem.) A white, crystalline, nitrogenous substance obtained by the reduction of isatin. It is a member of the indol series; -- hence its name.
|a gadget; dingus; thingumbob.|
|a chattering or flighty, light-headed person.|
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