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

Well, Kristina Collins, MD, a dermatologist based in Austin, broke it down for me. —Lily Wohlner, Allure, 16 Sep. 2025

Marie-Louise Jacques, MD, MBA, Founder & CEO of Pharmabiotech Consultants, writes at the junction of science, business, and leadership. —Marie-Louise Jacques, Forbes.com, 15 Sep. 2025

Deandre Tate-Drummer, MD, MPH is a General Surgery resident physician in Metro Atlanta, Georgia and a member of ABC News' Medical Unit. —Julia Jacobo, ABC News, 15 Sep. 2025

But federal health officials do not intend to submit the final report to Congress as planned, says Tim Naimi, MD, MPH, a study coauthor and director of the Canadian Institute for Substance Use Research at the University of Victoria in British Columbia. —Tom Gavin, EverydayHealth.com, 12 Sep. 2025

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