peroxyde
Definition
Noun (Chemistry):
- A peroxide is a chemical compound containing the peroxide ion (O₂²⁻) or a bivalent -O-O- group, often used as a bleaching agent or disinfectant.
- In informal usage, "peroxyde" is a common misspelling of peroxide, specifically referring to hydrogen peroxide (H₂O₂), used for hair bleaching or wound cleaning.
Verb (Informal):
- To treat or bleach (hair) with hydrogen peroxide.
- Example: She peroxided her hair to achieve a lighter shade.
Usage Examples
Noun:
- The chemist studied the properties of various peroxides. (A class of chemical compounds with an oxygen-oxygen single bond.)
- She bought a bottle of hydrogen peroxide to disinfect her wound. (A common household antiseptic.)
Verb:
- He peroxided his hair for a punk rock look. (Bleached his hair using hydrogen peroxide.)
Advanced Usage
"Hydrogen peroxide": a specific peroxide used as a bleach, antiseptic, and propellant.
- Hydrogen peroxide is often used in rocket fuel as an oxidizer. (A concentrated form for industrial applications.)
"Organic peroxide": a peroxide in which the hydrogen atoms are replaced by organic groups, used as initiators in polymerization.
- Benzoyl peroxide is an organic peroxide used in acne treatments. (A common dermatological agent.)
Variants and Related Words
Peroxide (n, v): the standard spelling and correct term. "Peroxyde" is a variant or outdated spelling.
- The label on the bottle read "hydrogen peroxide." (Standard spelling in modern English.)
Peroxidation (n): the chemical process of forming peroxides.
- Lipid peroxidation can damage cell membranes. (A biological process involving peroxide formation.)
Synonyms
Bleach (v): to make something white or lighter using chemicals.
- She bleached her hair with peroxide. (Synonym for the verb form.)
Disinfectant (n): a chemical that kills germs, often containing peroxide.
- Hydrogen peroxide is a common disinfectant. (A specific use of the substance.)
Phrasal Verbs
- Peroxide out: to remove color or treat with peroxide.
- She peroxided out the yellow tint from her hair. (Bleached away unwanted color.)
Related Idioms
- "Not worth a peroxide": a rare, informal phrase meaning something of little value (not a standard idiom).
- His promise wasn't worth a peroxide. (Not a common usage; included for context of the word's informal history.)