peroxide
noun/pəˈrɒksaɪd/
/pəˈrɑːksaɪd/
(also hydrogen peroxide)
[uncountable]- a clear liquid used to kill bacteria and to bleach hair (= make it lighter)
- a woman with peroxide blonde hair
Word Originearly 19th cent.: from per- + oxide.Want to learn more?
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peroxide