propagation
noun /ˌprɒpəˈɡeɪʃn/
/ˌprɑːpəˈɡeɪʃn/
[uncountable]- (formal) the act of spreading ideas, beliefs or information among many people
- the propagation of the Christian gospel
- (specialist) the act of producing new plants from a parent plant
- a book on seed propagation of shrubs and trees