Found 2 items, similar to hyoscyamine.
English → English (WordNet) Definition: hyoscyamine hyoscyamine n : a poisonous crystalline alkaloid (isometric with atropine but more potent); used to treat excess motility of the gastrointestinal tract
English → English (gcide) Definition: Hyoscyamine Hyoscyamine \Hy`os*cy"a*mine\, n. [See Hyoscyamus.] (Chem.) An alkaloid found in henbane (Hyoscyamus niger), and regarded as its active principle. It is also found with other alkaloids in the thorn apple and deadly nightshade. It is extracted as a white crystalline substance, with a sharp, offensive taste. Hyoscyamine is isomeric with atropine, is very poisonous, and is used as a medicine for neuralgia, like belladonna. Called also hyoscyamia, duboisine, etc. [1913 Webster]