[roh-tuh-vahy-ruh s]
noun, plural ro·ta·vi·rus·es.
  1. a double-stranded RNA virus of the genus Rotavirus, family Reoviridae, that is a major cause of infant diarrhea.

Origin of rotavirus

1974; < Latin rota wheel + virus Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for rotavirus

Contemporary Examples of rotavirus

  • A new study shows the rotavirus vaccine has saved 100,000 hospital visits and nearly $1 billion in medical costs.

    The Daily Beast logo
    The $1 Billion Reason to Vaccinate

    Russell Saunders

    June 12, 2014

British Dictionary definitions for rotavirus


  1. any member of a genus of viruses that cause worldwide endemic infections. They occur in birds and mammals, cause diarrhoea in children, and are usually transmitted in food prepared with unwashed hands
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for rotavirus

wheel-shaped virus causing inflammation of the lining of the intestines, 1974, from Latin rota "wheel" (see rotary) + virus.

Online Etymology Dictionary, © 2010 Douglas Harper

rotavirus in Medicine


n. pl. ro•ta•vi•rus•es
  1. Any of a group of wheel-shaped RNA viruses of the family Reoviridae, including the human gastroenteritis viruses that cause infant diarrhea.gastroenteritis virus type B
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.