Definition of norephedrine in English:

norephedrine

Pronunciation /nɔː(r)ˈɛfɪdriːn/ /nɔː(r)ˈɛfɪdrɪn/ /ˌnɔːrɪˈfɛdrɪn/

noun

Chemistry
  • A crystalline compound, C₉ H₁₃ NO, 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.