[poh-lee-oh-vahy-ruh s, poh-lee-oh-vahy-]
noun, plural po·li·o·vi·rus·es.
  1. any of three picornaviruses of the genus Enterovirus, having a spherical capsid, infectious to humans and the cause of poliomyelitis.

Origin of poliovirus

First recorded in 1950–55; polio + virus
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

poliovirus in Medicine


  1. poliomyelitis virus
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.