Thionol

• (n.) A red or violet dyestuff having a greenish metallic luster. It is produced artificially, by the chemical dehydration of thionine, as a brown amorphous powder.
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Thionol

Thi'on·ol noun [ Thion ine + - ol .] (Chemistry) A red or violet dyestuff having a greenish metallic luster. It is produced artificially, by the chemical dehydration of thionine, as a brown amorphous powder.
Found on http://www.encyclo.co.uk/webster/T/45
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