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

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

Miami plastic surgeon Alexander Zuriarrain, MD, explains that the procedure has become more common with people in their 30s in recent years. —Erika W. Smith, Vogue, 14 Nov. 2025

Vanderbilt leaders wooed Eng from MD Anderson Cancer Center in Houston in 2019 to establish a gastrointestinal medical oncology program and to create and serve as the executive director of the first cancer program centered on patients ages 20 to 45. —Beth Warren, Nashville Tennessean, 13 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