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

However, Joyce Oen-Hsiao, MD, FACC, associate professor of cardiovascular medicine at the Yale School of Medicine, cautioned that studies have only found an association—not proof that mouthwash directly causes high blood pressure. —Laura Bradley, Health, 3 June 2026

Just ask primary care doctor and longevity specialist Amanda Kahn, MD, who has a tip for bone health that she’s implemented into her own life. —Margaux Anbouba, Vogue, 1 June 2026

But her demotion comes after Flores’ former employer, UT MD Anderson, a cancer center at the University of Texas, recently completed a retrospective review of a number of studies she co-authored. —Christopher O'Donnell, The Orlando Sentinel, 1 June 2026

The findings also paint a clear picture on what women can do to lower their risk of pregnancy complications, says Kamilah Dixon, MD, an associate professor of obstetrics and gynecology at The Ohio State University in Westerville. —Tom Gavin, EverydayHealth.com, 28 May 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