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
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