Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “subduction”


noun [U]  /səbˈdʌk·ʃən, sʌb-/ us  
earth science a situation in which of one of the earth's plates (= large layer of rock that the earth's surface is made of) slides under another, often causing an earthquake or volcano
(Definition of subduction from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of subduction?
Add Cambridge dictionaries to your browser to your website

Word of the Day


a small company that makes beer, usually using traditional methods, and often has a restaurant where its beer is served

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More