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Syllabification: no·ro·vi·rus
Pronunciation: /ˈnôrəˌvīrəs

Definition of norovirus in English:


Any of various single-stranded RNA viruses comprising the Norwalk virus, which can cause acute gastroenteritis in humans.
  • Genus Norovirus, family Caliciviridae
Example sentences
  • Norovirus is the most common cause of infectious gastroenteritis in England and Wales.
  • Doctors have warned thousands of people across the UK are suffering from norovirus, which causes sudden vomiting and diarrhoea.


early 21st century: from nor- in Norwalk, Ohio (where an outbreak of gastroenteritis occurred from which the virus was isolated) + -o- + virus.

Definition of norovirus in:

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