Did you know?

Click any word in a definition or example to find the entry for that word

corrode

 - definition
Close

What are red words?

90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.

Close

Thesaurus

The thesaurus of synonyms and related words is fully integrated into the dictionary entries. Click on the T button in an entry to review the synonyms and related words for that meaning.

more
verb British English pronunciation: corrode /kəˈrəʊd/ 
Word Forms
Close
present tense
I/you/we/theycorrode
he/she/itcorrodes
present participlecorroding
past tensecorroded
past participlecorroded
  1. 1
    [intransitive/transitive] chemistry if metal or another substance corrodes, or if something corrodes it, it is gradually destroyed by a chemical reaction

    Acid rain poisons fish, destroys forests, and corrodes buildings.

    The metal structure is corroding badly and needs to be replaced.

Word of the Day

carob

a sweet brown powder that tastes like chocolate and is made from the seeds of a Mediterranean tree

Blog

A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog