propagation

US /ˌprɑː.pəˈɡeɪ.ʃən/
UK /ˌprɑː.pəˈɡeɪ.ʃən/
1.

sự trồng nhánh, sự truyền bá, sự truyền giống

the breeding of specimens of a plant or animal by natural processes from the parent stock.

:
the propagation of plants by root cuttings
2.

sự trồng nhánh, sự truyền bá, sự truyền giống

the action of widely spreading and promoting an idea, theory, etc.

:
a life devoted to the propagation of the Catholic faith