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hyperemesis Line breaks: hyper|em¦esis
Pronunciation: /hʌɪpəˈrɛməsɪs/

Definition of hyperemesis in English:


[mass noun] Medicine
1Severe or prolonged vomiting: the clinical practicability is limited by a higher degree of side effects, especially hyperemesis
More example sentences
  • Wernicke's encephalopathy is often associated with alcohol abuse, the processes involved being a lack of adequate oral intake, hyperemesis and malabsorption caused by gastrointestinal lesions.
  • A nasogastric tube may be inserted if the child is vomiting to prevent aspiration and relieve hyperemesis.
  • Short-term effects of IV-CPA pulses include bone marrow suppression and significant hyperemesis.
1.1 (in full hyperemesis gravidarumɡravɪˈdɑːrəm) Persistent severe vomiting leading to weight loss and dehydration, as a condition occurring during pregnancy: hyperemesis gravidarum occurs in approximately 0.5 to 2 per cent of pregnancies
[Gravidarum from feminine genitive plural of Latin gravidus 'pregnant' (see gravid)]
More example sentences
  • Throughout my pregnancy I have suffered from hyperemesis gravidarum.
  • In hyperemesis gravidarum, hospital treatment is often needed to stop the dehydration by giving fluids through an intravenous drip directly into a vein.
  • I was diagnosed as having hyperemesis gravidarum, a severe and constant form of morning sickness.


Mid 19th century: from hyper- 'above normal' + emesis.

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