окисление meaning in English

acidification [acidifications]▼(the act or process of making something sour (acidifying), or changing into an acid)
noun
[UK: ə.ˌsɪ.dɪ.fɪˈk.eɪʃ.n̩] [US: ə.ˌsɪ.də.fəˈk.eɪʃ.n̩]

oxidation [oxidations]▼(combination of a substance with oxygen)
noun
[UK: ˌɒk.sɪd.ˈeɪʃ.n̩] [US: ˌɑːk.sə.ˈdeɪʃ.n̩]

tarnish▼(oxidation or discoloration, especially of a decorative metal exposed to air)
noun
[UK: ˈtɑː.nɪʃ] [US: ˈtɑːr.ˌnɪʃ]