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

Results were compared with the total oxidation limit set by the Global Organization for EPA and DHA Omega-3s (GOED), an industry group. —Sarah Garone, Health, 22 May 2026

There’s a secondary argument about oxidation — seed oils go rancid at high heat, producing potentially harmful compounds. —Cole Hanson, STAT, 22 May 2026

Tropical Belizean conditions accelerate extraction and oxidation compared with continental aging, yielding a flavorful, concentrated rum. —Joseph V Micallef, Forbes.com, 17 May 2026

Green tea undergoes minimal oxidation, resulting in its fresh taste, while black tea is fully oxidized, producing a bolder flavor. —Kirsten Nunez, Martha Stewart, 12 May 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