Chem. Also -in. [a. F. violine, f. viole VIOL1 + -INE5. Cf. prec.] A bitter emetic principle found in the common violet.

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1831.  J. Davies, Man. Mat. Med., 338. An alkaloid principle, nearly related to emetine, discovered by M. Boulay, who has called it Violine.

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1861.  Bentley, Man. Bot., 458. The emetic property is due to a peculiar alkaloid named violine, which greatly resembles, if it be not identical with, emetine.

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1887.  Buck’s Handbk. Med. Sci., V. 490/2. Viola odorata contains a gastric irritant called violin.

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