US:USA pronunciation: respellingUSA pronunciation: respelling(pōlē ō vī′rəs, pō′lē ō vī-)

WordReference Random House Unabridged Dictionary of American English © 2020
po•li•o•vi•rus  (pōlē ō vī′rəs, pō′lē ō vī-),USA pronunciation n., pl.  -rus•es. 
  1. Microbiologyany of three picornaviruses of the genus Enterovirus, having a spherical capsid, infectious to humans and the cause of poliomyelitis.
  • polio + virus 1950–55

'poliovirus' also found in these entries (note: many are not synonyms or translations):
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