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

Extra cholesterol could get in the way of that by contributing to the formation of waxy plaques in your arteries, which can slow blood flow to your heart, Srijana Maharjan, MD, the lead author of the study and an internal medicine resident at Allegheny General Hospital, in Pittsburgh, tells SELF. —Erica Sloan, SELF, 17 Oct. 2025

Consistent exercise is better than none at all, said Jason Ng, MD, a clinical associate professor of endocrinology and metabolism at the University of Pittsburgh Medical Center. —Stephanie Brown, Verywell Health, 17 Oct. 2025

Activate 20 Profit Boost Offer Must be 21+ and physically present in AZ, CO, IL, IN, IA, KS, KY, LA, ME, MD, MA, MI, NJ, NY, NC, OH, PA, TN, VA, WV, WY or Washington, DC. —Tyler Everett, MSNBC Newsweek, 16 Oct. 2025

But in general, stretching may have a positive impact on patients with high blood pressure, says Jossef Amirian, MD, a cardiologist at Manhattan Cardiology in New York City. —Tom Gavin, EverydayHealth.com, 16 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