a poisonous, crystalline alkaloid, CHNO, obtained from belladonna and similar plants: used to relieve spasms and dilate the pupil of the eye
Origin of atropinefrom Modern Latin Atropa, genus name of belladonna from Classical Greek Atropos (see Atropos) + -ine
A poisonous, bitter, crystalline alkaloid, C17H23NO3, obtained from belladonna and other related plants. It is used to dilate the pupils of the eyes and as an antispasmodic.
Origin of atropineFrom New Latin Atropa genus name of belladonna from Greek Atropos Atropos ; see Atropos .
- (toxicology, pharmacology) An alkaloid extracted from the plant deadly nightshade (Atropa belladonna) and other sources. Though overdoses would be fatal it is used as a drug in medicine for its paralytic effects (e.g. in surgery to relax muscles, in dentistry to dry the mouth, in ophthalmology to dilate the pupils).
Atropa (“genus of deadly nightshade”) + -ine