колебание означает в английский

fluctuation [fluctuations]▼(wavelike motion)
noun
[UK: ˌflʌk.tʃʊ.ˈeɪʃ.n̩] [US: ˌflʌk.tʃuː.ˈeɪʃ.n̩]

oscillation [oscillations]▼(the act of oscillating)
noun
[UK: ˌɒ.sɪ.ˈleɪʃ.n̩] [US: ˌɑː.sə.ˈleɪʃ.n̩]

wobble [wobbles]▼(unsteady motion)
noun
[UK: ˈwɒb.l̩] [US: ˈwɑːb.l̩]