Definition of Roman Catholicism in US English:

Roman Catholicism

noun

  • See Roman Catholic

    • ‘The official religion of Paraguay is Roman Catholicism.’
    • ‘The adoration of the Holy Eucharist is an example found in Roman Catholicism.’

Pronunciation

Roman Catholicism

/ˌrōmən kəˈTHäləˌsizəm//ˌroʊmən kəˈθɑləˌsɪzəm/