Md

1 of 4

abbreviation (1)

Maryland

Md

2 of 4

symbol

mendelevium

MD

3 of 4

abbreviation or noun

ˌem-ˈdē 

variants or M.D.

plural MDs or M.D.s

: doctor of medicine

John Smith, MD

She earned an M.D. from Harvard Medical School.

Members pay what they would for a standard, managed-care plan, and they get the same access to MDs and hospitals.

—Geoffrey Cowley et al.

MD

4 of 4

abbreviation (2)

1

[Italian mano destra] right hand

2

Maryland

3

medical department

4

minidisc

5

months after date

6

muscular dystrophy

Examples of Md in a Sentence

Recent Examples on the Web

Abbreviation or noun

Patients can remain on treatment for years, but without achieving these kinds of deep molecular responses, and many still progress within five years, said Ecaterina Dumbrava, a cancer researcher at MD Anderson Cancer Center who did not work on the study. —Angus Chen, STAT, 20 Apr. 2026

Adam Grippin and Steven Lin of MD Anderson Cancer Center. —Caleb Hellerman, CNN Money, 20 Apr. 2026

Multiple devices are commercially available, Ravi Aysola, MD, health sciences clinical professor of medicine in the division of pulmonology and critical care at UCLA Health, told Verywell. —Maggie O'Neill, Verywell Health, 17 Apr. 2026

Chimenz’s role will not be filled and Uzan has become MD. —Max Goldbart, Deadline, 17 Apr. 2026

Word History

Etymology

Abbreviation or noun

borrowed from Medieval Latin, abbreviation of medicīnae doctor

First Known Use

Abbreviation Or Noun

15th century, in the meaning defined above

Medical Definition

Md

1 of 3 symbol

mendelevium

MD

2 of 3 abbreviation or noun

variants or M.D.

ˌem-ˈdē 

: doctor of medicine

MD

3 of 3 abbreviation

1

medical department

2

muscular dystrophy

Etymology

Abbreviation or noun

Latin medicinae doctor