say it: POH-lee-oh
polio is a noun meaning "an acute viral disease marked by inflammation of nerve cells of the brain stem and spinal cord". It is pronounced /ˈpoʊliˌoʊ/ — POH-lee-oh. It carries one recorded sense.
an acute viral disease marked by inflammation of nerve cells of the brain stem and spinal cord
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for polio come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.