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

The therapy is designed to help people with Alzheimer’s disease and other memory issues recall past events, emotions, and thoughts, explains Paul Ragan, MD, an associate professor of clinical psychiatry at Vanderbilt University School of Medicine in Nashville, Tennessee. —Emily Kay Votruba, EverydayHealth.com, 21 Nov. 2025

Oura hired its first chief medical officer, physician Ricky Bloomfield, MD, who previously led Apple Health, in March this year. —Amy O’Brien, Vogue, 18 Nov. 2025

When Martin Ott joined Facebook to lead its Northern and Central Europe operations as MD in 2012, the company was pre-IPO, pivoting from desktop to mobile phones, and had just a few thousand employees globally. —Eleanor Pringle, Fortune, 14 Nov. 2025

The surgery helps address the looseness skin can develop over time, as well as eye bags, Anthony Brissett, MD, a facial plastic surgeon at Houston Methodist and president of the American Academy of Facial Plastic and Reconstructive Surgery, tells SELF. —Korin Miller, SELF, 14 Nov. 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