levimine tähendus null.

propagation [propagations]▼◼◼◼noun
[UK: ˌprɒ.pə.ˈɡeɪʃ.n̩] [US: ˌprɑː.pə.ˈɡeɪʃ.n̩]

dispersal [dispersals]▼◼◼◻noun
[UK: dɪ.ˈspɜːs.l̩] [US: ˌdɪ.ˈspɝː.sl̩]

diffusion [diffusions]▼◼◻◻noun
[UK: dɪ.ˈfjuːʒ.n̩] [US: də.ˈfjuːʒ.n̩]

circulation [circulations]▼◼◻◻noun
[UK: ˌsɜː.kjʊ.ˈleɪʃ.n̩] [US: ˈsɝː.kjə.ˌleʃ.n̩]