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Definition of Cotarnine
1. n. A white, crystalline substance, C12H13NO3, obtained as a product of the decomposition of narcotine. It has weak basic properties, and is usually regarded as an alkaloid.
Medical Definition of Cotarnine
1. An alkaloidal principle, C12H15NO4, derived from narcotine by oxidation; an astringent. Origin: anagram of narcotine (05 Mar 2000)