Noun: hyoscyamine ,hI-u'sI-u,meen
- A poisonous crystalline alkaloid (isometric with atropine but more potent); used to treat excess motility of the gastrointestinal tract
"The doctor prescribed hyoscyamine to help with the patient's irritable bowel syndrome"
Derived forms: hyoscyamines
Type of: alkaloid, poison, poisonous substance, toxicant
Encyclopedia: Hyoscyamine