oxidize Definition in Cambridge British English Dictionary
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Definition of "oxidize" - British English Dictionary

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oxidizeverb [I or T]

(UK usually oxidise) uk   /ˈɒk.sɪ.daɪz/  us   /ˈɑːk-/
If a substance oxidizes, it combines with oxygen and loses hydrogen to form another substance, and if something oxidizes a substance, it causes it to do this: Iron oxidizes to form rust. When you heat fat, it oxidizes easily. If a chemical element oxidizes, it loses electrons (= very small pieces of matter with negative electrical charge) and if you oxidize it, you cause it to do this.
oxidization
noun [U] (UK usually oxidisation) uk   /ˌɒk.sɪ.daɪˈzeɪ.ʃən/  us   /ˌɑːk-/ (US usually oxidation )
(Definition of oxidize from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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