A bitter, crystalline alkaloid, C17H19NO3稨2O, extracted from opium, the soluble salts of which are used in medicine as an analgesic, a light anesthetic, or a sedative.

• 吗啡一种苦而透明的碱性物，分子式为C17H19NO3稨2O，从鸦片中提取，其可溶性盐在医学中用作麻醉剂，即一种轻麻醉剂或镇静剂