Rare ·Advanced level

Definitions

Noun

1. 1
   an oral vaccine (containing live but weakened poliovirus) that is given to provide immunity to poliomyelitis wordnet

Synonyms

All synonyms

opvoral poliovirus vaccinesabin vaccinesabin vaccinetrivalent live oral poliomyelitis vaccine

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.