ephedrine Ephedraceae • ephelcystic · · · Info · Definitions · Characters · · ephedrine · · Text Latin · · Script 9 · · Length Definitions · · · (noun) white odorless powdered or crystalline alkaloid from plants of the genus Ephedra (especially Ephedra sinica) or made synthetically; used as a bronchodilator to treat bronchitis and asthma. · · Noun Definition 1 Characters · · d latin small letter d U+0064 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E p latin small letter p U+0070 r latin small letter r U+0072