propagation
🇺🇸
/ˌprɑːpəˈɡeɪʃn/
🇬🇧
/ˌprɒpəˈɡeɪʃn/
the spreading of ideas or information to many people
Social media helps in the quick propagation of news and trends.
growing new plants from an existing one
Gardeners use cutting for plant propagation to grow new flowers.