Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “MD”


noun [C] (DOCTOR)    /ˌemˈdiː/ US
abbreviation for Doctor of Medicine: a degree that someone must have to work as a doctor: Steven Tay, MDQualifications in higher education
(Definition of MD noun (DOCTOR) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of MD

Definitions of “MD” in other dictionaries

Word of the Day

work out

to exercise in order to improve the strength or appearance of your body

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