from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The act of vomiting.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The act or process of vomiting or having vomited.

from the GNU version of the Collaborative International Dictionary of English

  • n. A vomiting.

from The Century Dictionary and Cyclopedia

  • n. In pathology, the act of vomiting; discharge from the stomach by the mouth.
  • n. In zoology, a genus of butterflies, of the family Erycinidæ. E. fatima is the typical species, and there are several others, all South American.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the reflex act of ejecting the contents of the stomach through the mouth


from The American Heritage® Dictionary of the English Language, 4th Edition

Greek, from emein, to vomit; see wemə- in Indo-European roots.

from Wiktionary, Creative Commons Attribution/Share-Alike License

From the Greek ἐμέω "I vomit" (confer ἔμετος "vomit").


  • Induction of emesis is recommended in the alert patient if performed within 30 minutes of an ingestion of TCE.

    poison prevention for Delaware, Lehigh Valley, S.E. Pennsylvania

  • GRACE: Doctor, when I was reading the investigative description of the hotel room, I notice that it mentioned emesis, which is basically vomit, to my understanding, in the bathroom sink.

    CNN Transcript Mar 26, 2007

  • And when I have to retch I ask her to hurry get me a barf bag, she asks for an emesis basin.

    Why do I put up with this woman?

  • Standard decontamination procedures should be followed in the conscious patient, including emesis with syrup of ipecac or gastric lavage, activated charcoal and a cathartic.

    Monamine Oxidase Inhibitors

  • I never realized what a big deal n emesis bedbugs would become: Soviet-style bogeymen at the height of the Cold War, the Osama bin Laden s of our bedrooms and pillow cases.

    Sniffing Out Tiny Terrorists

  • Repetitive oral activated charcoal and control of emesis in severe theophylline toxicity.


  • Both ipecac-induced emesis and emesis from insertion of a lavage tube can increase the risk of aspiration.

    Hydrocarbon Ingestion

  • Since patients may become lethargic or comatose quickly, Syrup of Ipecac-induced emesis carries with it obvious risks.

    Clonidine Overdose in Children

  • Gastric emptying via emesis or lavage should be performed in patients who have ingested greater than 40-60 mg./kg. of elemental iron or an unknown amount. 1 Activated charcoal is not useful, unless there are co-ingestants, since it does not bind metals such as iron. 1 Iron tablets are radiopaque, therefore, an abdominal radiograph should be performed to determine if there is evidence of iron tablets in the stomach or small bowel.

    Iron Poisoning

  • Spontaneous vomiting is common in these patients so induction of emesis may, at times, be a questionable benefit.



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