Share this entry

corrosion Line breaks: cor|ro¦sion
Pronunciation: /kəˈrəʊʒ(ə)n/

Definition of corrosion in English:


[mass noun]
1The process of corroding or being corroded: each aircraft part is sprayed with oil to prevent corrosion
More example sentences
  • It's two inches across on all sides, and it's lined on the inside with a chemical that prevents corrosion.
  • This is because the iron electrode is more susceptible to corrosion and to self-discharge on standing.
  • Mortar with high concentrations of chloride ions accelerates corrosion of the embedded steel.
1.1Damage caused to metal, stone, or other materials by corrosion: engineers found the corrosion when checking the bridge
More example sentences
  • Fans, heaters and ducts should be checked for corrosion and other damage.
  • However, like all auto parts, radiators are prone to damage and corrosion.
  • Now, this request comes after massive corrosion was discovered at an Ohio plant.


Late Middle English: from Old French, or from late Latin corrosio(n-), from Latin corrodere 'gnaw through' (see corrode).

Words that rhyme with corrosion

eclosion, erosion, explosion, implosion

Definition of corrosion in:

Share this entry


What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day confidant
Pronunciation: ˈkänfəˌdant
a person with whom one shares a secret...