ephedrine
/eˈfedrɪn/noun
mass noun
1- Medicine a crystalline alkaloid drug obtained from some ephedras. It causes constriction of the blood vessels and widening of the bronchial passages, and is used to relieve asthma and hay fever.【医】麻黄素, 麻黄碱。
1.1
- Alternative name: 1-phenyl-2-methylaminopropanol; chem. formula: C10H15NO.又名1-苯基-2-甲氨基丙烷; 化学分子式：C10H15NO.
词源
late 19th cent.: from EPHEDRA + -INE4 .