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emetic

   Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson 0.04 sec.
emetic (əmĕt`ĭk), substance that produces vomiting. Direct, or gastric, emetics, which act directly on the stomach, include syrup of ipecac ipecac (ĭp`ĭkăk), drug obtained from the dried roots of a creeping shrub, Cephaelis (or Psychotria)
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, sulfate of zinc or copper, alum alum (ăl`əm), any one of a series of isomorphous double salts that are hydrated sulfates of a univalent cation (e.g.
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, ammonium carbonate, mustard in water, or copious quantities of warm saltwater. Indirect, or systemic, emetics, such as apomorphine, induce vomiting by acting indirectly through the blood on the brain center that controls vomiting. Emetics are not used to treat poisoning by strong acids or alkalis, petroleum distillates such as kerosene, or substances causing convulsions.

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The stratagem was good while it was unsuspected, but after that the marauders simply gave the sagacious United States mail an emetic and sat down to wait.
But sometimes he is like the old juggling fellow, formerly a patient of mine in Ceylon, that making believe swallow jack-knives, once upon a time let one drop into him in good earnest, and there it stayed for a twelvemonth or more; when I gave him an emetic, and he heaved it up in small tacks, d'ye see.
"Pretty near," said Brown, with the shadow of a smile; for the emetic had very suddenly taken effect.
 
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