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poisonous substance

   Also found in: Encyclopedia, Wikipedia, Hutchinson 0.09 sec.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.poisonous substancepoisonous substance - any substance that causes injury or illness or death of a living organism
poison, toxicant
substance - a particular kind or species of matter with uniform properties; "shigella is one of the most toxic substances known to man"
atropine - 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
hyoscyamine - a poisonous crystalline alkaloid (isometric with atropine but more potent); used to treat excess motility of the gastrointestinal tract
toxin - a poisonous substance produced during the metabolism and growth of certain microorganisms and some higher plant and animal species


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Well, then, at the end of a month, when drinking water from the same carafe, you would kill the person who drank with you, without your perceiving, otherwise than from slight inconvenience, that there was any poisonous substance mingled with this water.
The Count of Monte Cristo by Dumas, Alexandre View in context
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