missiology
/mɪsɪˈɒlədʒi/Definitions
1. noun
The study of the theory and practice of Christian missionary work, especially in its historical and cultural contexts.
“The professor’s expertise in missiology helped shape the university’s mission programs.”
2. noun
The practice of spreading Christianity to other cultures and societies.
“The missionaries’ efforts in missiology led to the establishment of a thriving local church.”