propagation
nounUK /ˌprɒpəˈɡeɪʃən/
US /ˌprɑːpəˈɡeɪʃən/
The spreading or growing of something, like plants or ideas.
The propagation of seeds in the garden takes time and care.
OTHER MEANINGS
2. The act of passing something, like sound or light, through a medium.
The propagation of sound through water is faster than through air.
3. The spreading of ideas, beliefs, or information to many people.
The propagation of the news spread quickly across the town.
4. The breeding or reproduction of plants or animals.
The propagation of roses can be done by taking cuttings.