hyoscyamine

英 [ˌhaɪə'saɪəmiːn] 美 [ˌhaɪə'saɪəˌmiːn]

• n. 豕豆素

英英释义

Noun:

1. a poisonous crystalline alkaloid (isometric with atropine but more potent); used to treat excess motility of the gastrointestinal tract