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

People with heart disease are also much more susceptible to severe complications from respiratory infections than people without heart disease, says Christopher Kelly, MD, a cardiologist at UNC Health in Chapel Hill, North Carolina. —Emily Kay Votruba, EverydayHealth.com, 26 Aug. 2025

Your ability to move with or without ease comes down to muscle mass, range of motion, flexibility, and energy levels, according to Richard Dupee, MD, chief of geriatrics at Tufts Medical Center. —Sydney Wingfield, Health, 26 Aug. 2025

The Alice Walton School of Medicine is a non-profit, four-year MD program. —Fort Worth Star-Telegram, 26 Aug. 2025

However, other factors, like not drinking enough water or eating too much salt are far more likely to increase that risk, explained Amy Yau, MD, a nephrologist and clinical assistant professor of internal medicine at The Ohio State University Wexner Medical Center. —Claire Bugos, Verywell Health, 22 Aug. 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