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Definition of Tannigen
1. n. A compound obtained as a yellowish gray powder by the action of acetyl chloride or acetic anhydride or ordinary tannic acid. It is used as an intestinal astringent, and locally in rhinitis and pharyngitis.
Definition of Tannigen
1. Noun. (obsolete medicine) An acetyl derivative of tannic acid once used as an astringent ¹
¹ Source: wiktionary.com