ALL meanings of ephedrine
- noun ephedrine 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. 1
- noun ephedrine a white crystalline alkaloid obtained from plants of the genus Ephedra: used for the treatment of asthma and hay fever; l-phenyl-2-methylaminopropanol. Formula: C6H5CH(OH)CH(NHCH3)CH3 0
- noun ephedrine an alkaloid, C10H15NO, derived from certain Asiatic gymnosperms (family Ephedraceae) or synthesized, and used to relieve nasal congestion and asthma and to constrict certain blood vessels 0