усвояване означава в английски

adoption [adoptions]▼(choosing and making that to be one's own which originally was not so)
noun
[UK: ə.ˈdɒp.ʃn̩] [US: ə.ˈdɑːp.ʃn̩]

assimilation [assimilations]▼(metabolic conversion)
noun
[UK: ə.ˌsɪ.mə.ˈleɪʃ.n̩] [US: ə.ˌsɪ.mə.ˈleɪʃ.n̩]