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 late Sheldon Pinnell, MD was a dermatology professor at Duke University who first started working with vitamin C in the 1980s. —Kara Nesvig, Allure, 4 Apr. 2025

Must be 21 and physically present in AZ, CO, DC, IA, IL, KY, LA, MD, ME, NY, OH, TN, VA, and WY. —Newsweek Staff, MSNBC Newsweek, 4 Apr. 2025

So with a strong UV index in tow, the Molecular Hero Serum and a proper sunscreen (Hickey used Elta MD on the cast) can work wonders. —Alyssa Grabinski, People.com, 4 Apr. 2025

Other conditions that are associated with fatigue include anemia, thyroid issues, or even leukemia—all of which can make people feel incredibly rundown, says Yvonne Bohn, MD, an ob-gyn at Providence Saint John’s Health Center in California. —Ali Pantony, Glamour, 4 Apr. 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