Definition of narcotine in English:

narcotine

Pronunciation /ˈnɑːkətɪn/

noun

Chemistry
  • Either of two stereoisomeric crystalline alkaloids of the formula C₂₂ H₂₃ NO₇; specifically (more fully "α-narcotine") the one occurring in opium and formerly used medicinally.

Origin

Early 19th century; earliest use found in Monthly Gazette Health. From French narcotine from narcot- (in narcotique) + -ine.