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

Then, a series of filters removes salts and some of the organic contaminants, followed by a chemical process called catalytic oxidation that uses heat and oxygen to break down the remaining organic compounds. —Berrin Tansel, The Conversation, 30 July 2025

This causes browning inside the fruit due to oxidation. —Merve Ceylan, Health, 29 July 2025

The oxidation level affects the concentration of bioactive compounds that provide many of oolong tea's anti-inflammatory and antioxidant health benefits. —Sarah Bence, Verywell Health, 22 July 2025

The Best Way To Store Cut Pineapple Once cut, transfer pineapple pieces to an airtight container or zip-top bag, squeezing out as much air as possible to help slow down oxidation. —Katie Rosenhouse, Southern Living, 13 July 2025

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