peroxide

¹per·ox·ide

noun \pə-ˈräk-ˌsīd\

Definition of PEROXIDE

: a compound (as hydrogen peroxide) in which oxygen is visualized as joined to oxygen

— per·ox·id·ic \-ˌräk-ˈsi-dik\ adjective

First Known Use of PEROXIDE

1804

²peroxide

transitive verb

peroxid·edperoxid·ing

Definition of PEROXIDE

: to treat with a peroxide; especially : to bleach (hair) with hydrogen peroxide

First Known Use of PEROXIDE

1906

³peroxide

adjective

Definition of PEROXIDE

: having or being bleached hair <a peroxide blonde>

First Known Use of PEROXIDE

1920

per·ox·ide

noun \pə-ˈräk-ˌsīd\   (Medical Dictionary)

Medical Definition of PEROXIDE

: a compound (as hydrogen peroxide) in which oxygen is visualized as joined to oxygen

peroxide

noun    (Concise Encyclopedia)

Any of a class of chemical compounds in which two oxygen atoms are linked by a single covalent bond. Several organic (see organic compound) and inorganic (see inorganic compound) peroxides are useful as bleaching and oxidizing agents (see oxidation-reduction), as initiators of polymerization reactions, and in the preparation of hydrogen peroxide (a mild bleach and antiseptic) and other oxygen compounds. The peroxide anion (chemical formula O²) is present in peroxides of inorganic compounds.