Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “MRI”

MRI

noun [U] uk   /ˌem.ɑːrˈaɪ/ us  
abbreviation for magnetic resonance imaging: a system for producing electronic pictures of the organs inside a person's body, using radio waves and a strong magnetic fieldMedical and surgical equipment
(Definition of MRI from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of MRI?
Add Cambridge dictionaries to your browser to your website

Definitions of “MRI” in other dictionaries

Word of the Day

tankard

a large usually drinking cup, usually made of metal, with sloping sides, a handle, and sometimes a lid, mainly used for drinking beer

Word of the Day

Blog

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