Home / Dictionary / Meaning of peroxide

Peroxide

/pəˈrɑˌksaɪd/
B2
Listen pronunciation

(noun) A divalent radical or anion containing two oxygen atoms linked by a covalent bond; any substance containing this group yields hydrogen peroxide when treated with an acid.

She bleached her hair blond with peroxide.
What's the chemical formula for hydrogen peroxide?
CEFR Practice Quiz
She used hydrogen ____ to disinfect the wound before applying a sterile bandage.

Expand Your Vocabulary with LexUp

Master English words using smart flashcards, play exciting word rounds, and compete with other learners worldwide.