atropine

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a poisonous crystalline alkaloid extracted from the nightshade family;
used as an antispasmodic and to dilate the eye pupil;
also administered in large amounts as an antidote for organophosphate nerve agents or organophosphate insecticides
• Hypernyms:
alkaloid, antispasmodic, spasmolytic, antispasmodic agent, poison,
toxicant, poisonous substance, mydriatic, mydriatic drug, antidote, counterpoison
• Hyponyms:
belladonna