oxidation

noun

ox·​i·​da·​tion ˌäk-sə-ˈdā-shən 

1

: the act or process of oxidizing

2

: the state or result of being oxidized

oxidative

ˈäk-sə-ˌdā-tiv 

adjective

oxidatively adverb

Examples of oxidation in a Sentence

Recent Examples on the Web

The soda goes a long way in covering up any oxidation. —Emma Laperruque, Bon Appetit Magazine, 15 June 2026

Tailored for the real world Operating purely on solar energy, without requiring external heat or electricity, the reactor achieves approximately 93 percent conversion for carbon dioxide and 95 percent oxidation for biomass. —Mrigakshi Dixit, Interesting Engineering, 12 June 2026

Dark spots on cauliflower are caused by oxidation, not mold, and are safe to eat unless other signs of spoilage are present. —Alana Al-Hatlani, Southern Living, 11 June 2026

This helps prevent browning related to oxidation, aka air exposure, and refrigerate for up to 1 week. —Karla Walsh, Better Homes & Gardens, 8 June 2026

Word History

Etymology

French, from oxider, oxyder to oxidize, from oxide

First Known Use

1745, in the meaning defined at sense 1

Phrases Containing oxidation

• beta-oxidation
• oxidation-reduction
• oxidation state
• re-oxidation

Rhymes for oxidation

• abdication
• aberration
• abjuration
• abnegation
• abrogation
• acceptation
• acclamation
• acclimation
• accusation
• activation
• actuation
• acylation

Kids Definition

oxidation

noun

ox·​i·​da·​tion ˌäk-sə-ˈdā-shən 

1

: the process of oxidizing

2

: the state or result of being oxidized

oxidative

ˈäk-sə-ˌdāt-iv 

adjective

Medical Definition

oxidation

noun

ox·​i·​da·​tion ˌäk-sə-ˈdā-shən 

1

: the act or process of oxidizing

2

: the state or result of being oxidized