D defs.my
Entry 1 sense Webster, 1913

Protestantism

/prät'-əs-tən-tĭzˌ-əm/ · Prot·es·tant·ism · IPA /ˈpɹɑ.tɪs.tən.tɪ.zəm/
01 n. The quality or state of being protestant, especially against the Roman Catholic Church; the principles or religion of the Protestants.
  1. 1.
    The quality or state of being protestant, especially against the Roman Catholic Church; the principles or religion of the Protestants.