| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024at•ro•pine (a′trə pēn′, -pin),USA pronunciation n. [Pharm.]- Drugsa poisonous crystalline alkaloid, C17H23NO3, obtained from belladonna and other plants of the nightshade family, that prevents the response of various body structures to certain types of nerve stimulation: used chiefly to relieve spasms, to lessen secretions, and, topically, to dilate the pupil of the eye.
- Greek átropos; see Atropos) + -ine2
- Neo-Latin Atrop(a) belladonna genus (
- 1830–40
Collins Concise English Dictionary © HarperCollins Publishers:: atropine /ˈætrəˌpiːn -pɪn/, atropin /ˈætrəpɪn/ n - a poisonous alkaloid obtained from deadly nightshade, having an inhibitory action on the autonomic nervous system. It is used medicinally in pre-anaesthetic medication, to speed a slow heart rate, and as an emergency first-aid counter to exposure to chemical warfare nerve agents. Formula: C17H23NO3
Etymology: 19th Century: from New Latin atropa deadly nightshade, from Greek atropos unchangeable, inflexible; see Atropos |