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

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

Exposure to warmth accelerates oxidation, the process that causes fats to go rancid. — Anne Wolf, Martha Stewart, 1 July 2026

Its sweetness is often cut by the acidity the island wines are famous for, and the savory complexity that comes from heat, oxidation, and time. — Layne Randolph, Forbes.com, 27 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