| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024bel•la•don•na /ˌbɛləˈdɑnə/USA pronunciation n. - Plant Biology[countable]Also called ˈdead•ly ˈnightˌshade. a poisonous plant, of the nightshade family, having purplish red flowers and black berries.
- [uncountable] a poisonous substance made from this.
WordReference Random House Unabridged Dictionary of American English © 2024bel•la•don•na (bel′ə don′ə),USA pronunciation n. - Plant BiologyAlso called deadly nightshade. a poisonous plant, Atropa belladonna, of the nightshade family, having purplish-red flowers and black berries.
- Drugs[Pharm.]a drug from the leaves and root of this plant, containing atropine and related alkaloids: used in medicine to check secretions and spasms, to relieve pain or dizziness, and as a cardiac and respiratory stimulant.
- Italian bella donna literally, fair lady (so called because it is said to have been used by women to dilate the pupils of the eyes and to create an artificial pallor). See belle, donna
- 1590–1600
Collins Concise English Dictionary © HarperCollins Publishers:: belladonna /ˌbɛləˈdɒnə/ n - either of two alkaloid drugs, atropine or hyoscyamine, obtained from the leaves and roots of the deadly nightshade
- another name for deadly nightshade
Etymology: 16th Century: from Italian, literally: beautiful lady; supposed to refer to its use by women as a cosmetic |