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 two phenomena involve hormonal changes and can overlap in symptoms, according to Shannon Pan, MD, a primary care physician at Inspira Health. —Melissa Willets, Parents, 27 Oct. 2025

For radiation oncologist Marisa Weiss, MD, breast cancer prevention is personal. —Anisa Arsenault, Health, 24 Oct. 2025

Plus, dates are rich in fiber, which boosts gut health and slows down the absorption of sugar in the body, said Rabia De Latour, MD, a gastroenterologist and assistant professor in the Department of Medicine at NYU Grossman School of Medicine. —Maggie O'Neill, Verywell Health, 24 Oct. 2025

Excerpted from The Perimenopause Survival Guide by Heather Hirsch, MD, MS, MSCP. —Dr. Heather Hirsch, Flow Space, 24 Oct. 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