A crystalline compound, C₉H₁₃NO, which is obtained by replacing the methylamino group of ephedrine by an amino group and has actions and uses resembling those of ephedrine.
Origin
1920s; earliest use found in Chemical Abstracts.
Definition of norephedrine in US English:
norephedrine
noun
Chemistry
A crystalline compound, C₉H₁₃NO, which is obtained by replacing the methylamino group of ephedrine by an amino group and has actions and uses resembling those of ephedrine.