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From Ancient Greek ἔμεσις (émesis), from ἐμέω (eméō, vomit). Compare ἔμετος (émetos, vomit, noun).


  • IPA(key): /ˈɛmɪsɪs/
  • Hyphenation: em‧e‧sis


emesis (countable and uncountable, plural emeses)

  1. (pathology) The act or process of vomiting.
    Syrup of ipecac almost always forces an emesis.
    • 1837 May 1, “Living Caterpillars in the Human Intestines”, in Southern Medical and Surgical Journal, volume I, number 12, page 747:
      A female, aged 57 years, was left affected with abdominal dropsy after an attack of fever. On the 3d of March, 1836, she took 6 drops of croton oil, and in the substances rejected by emeses, four living caterpillars were perceived at first, and subsequently ten others.
    • 1996 October 5, Williamson Z. Bradford et al., “The changing epidemiology of acquired drug-resistant tuberculosis in San Francisco, USA”, in The Lancet, volume 348, number 9032, PMID 8843813, page 929:
      Information included coexisting diseases, alcohol misuse, other substance misuse, medications taken at the same time as antituberculosis treatment (focusing on antiretroviral and azole antifungal agents), and the presence of gastrointentinal symptoms (nausea, emesis, diarrhoea, abdominal pain).
    • 2010, Candace Calvert, chapter 1, in Disaster Status, Carol Stream: Tyndale House Publishers, page 7:
      Several nurses stood outside the doors holding clipboards and dispensing yellow plastic emesis basins to a restless line of a least[sic] a dozen patients in long sleeves, heavy trousers, and work boots.

Derived terms[edit]





From Ancient Greek ἔμεσις (émesis), from ἐμέω (eméō, vomit).



emesis f (plural emesis)

  1. (medicine) emesis, vomit


Further reading[edit]

emesis” in Diccionario de la lengua española, Vigésima tercera edición, Real Academia Española, 2014.